Example: $500,000 · 6.5% · 30-yr fixed conventional · 20% down · $10,000 seller money
Real Estate Agent Suite › OfferMath › The numbers, decoded

The numbers, decoded.

What every number in OfferMath means, how it is worked out, and what each of the ten offer options does with the seller's money — with one worked example all the way through.

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What this page is.

OfferMath takes one home, one buyer and one amount of seller money (the dollars the seller is willing to give up, whether as a lower price, a credit or a rate buydown) and shows you up to ten ways to spend it. This page explains every figure you see on the deal screen, the Compare table and the report, and walks through each option with the same example deal.

All figures are estimates for discussion only, not a loan offer. The buyer's lender sets the real rate, fees and approval. Confirm figures with the buyer's lender before you write the offer.

The example deal

Every figure in the examples on this page comes straight from OfferMath's own calculator, run on this deal:

InputValue
Price$500,000
Interest rate (the base rate, with no points)6.5%
Loan30-year fixed, conventional
Down payment20%
Seller money$10,000
Expected appraisalNone (the appraisal gap part uses $490,000)

Everything else uses OfferMath's defaults:

DefaultValue
Loan term30 years
Closing costs3% of each option's price
Property tax1.1% of each option's price per year
Home insurance0.35% of each option's price per year
HOA$0
Cost horizon5 years
RefinanceNone
Credit score760+
Rate drop per discount point0.25 percentage points

Dollar figures are rounded to whole dollars and rates to three decimals, so a few parts may not add up to the total by a dollar.

How OfferMath thinks.

The same seller dollars, ten ways

Every option spends exactly the same seller money. The only question is how: take it off the price, give it to the buyer as a credit at closing (or as much credit as the deal allows, with the rest off the price), buy the rate down for the life of the loan with discount points, buy it down for the first one to three years with a buydown, or a mix. Because the seller's cost is the same in every option, you can compare them fairly and pick the one that fits your buyer.

The seller money in each option goes into one pot at closing. That pot pays the option's points or buydown first and then the buyer's closing costs (the lender, title, escrow and other fees due at closing, not counting the down payment). So when the seller money buys points or a buydown, less of it is left for closing costs, and the buyer brings more cash. The seller never pays more than the costs: any seller money left over is shown as unused credit.

What goes into the math

On the deal screen, tap Edit to open Deal inputs:

  • Price: the price you plan to offer before any option changes it.
  • Interest rate: the buyer's quoted rate with no points (the base rate).
  • Down payment: the buyer's own money toward the price, as a percent or in dollars.
  • Seller money: the seller's contribution, as a percent of the price or in dollars. The line under it shows the other unit and the loan type's seller concession limit (the most seller money that loan type allows, as a percent of the home's value).
  • Under More: Refinance, Closing costs, Taxes, insurance & HOA, Expected appraisal, Loan term (15, 20, 25 or 30 years), Cost horizon (5, 7 or 10 years), Rate drop per point, the VA funding fee (the VA loan's one-time fee) choices (First use of VA benefit, Exempt from funding fee) for VA buyers, and ARM settings for an adjustable-rate loan.

The deal's chips pick a fixed loan or a 5-, 7- or 10-year ARM. From the buyer come the Loan type (Conventional, FHA, VA or USDA), the Credit score band, Cash available to close, Max monthly payment and the Pre-approved amount. The last three only raise warnings; they never change a figure.

Where the defaults come from

  • Settings → Defaults: closing costs (3% of price), property tax (1.1% of price per year), home insurance (0.35% of price per year) and refinance costs (2% of the loan balance). They fill in whenever a listing doesn't give a value. Every deal can change them.
  • Settings → Rates & rules: the rate drop per discount point (0.25 percentage points by default), FHA mortgage insurance, the VA funding fee, USDA fees, conventional PMI (private mortgage insurance) by credit score, seller concession limits and ARM margins and caps. Reset to default puts back OfferMath's values.

When closing costs, tax or insurance are a percent, OfferMath takes it of each option's price. So an option with a lower price also has lower closing costs, tax and insurance. If you type them in dollars, every option uses the same dollars.

Every number, defined.

Each figure below is what OfferMath shows, how it is worked out, and why it matters for the offer. The examples use the Closing cost credit option unless they say otherwise.

Monthly payment

What it is: everything the buyer pays each month for the home: principal and interest, mortgage insurance, property tax, home insurance and HOA dues. The deal screen shows the Year 1 total as “$3,132/mo”.

Its parts:

  • Principal and interest: the level monthly loan payment that pays the loan off over the term at the note rate (the loan's actual rate). Principal is the part that lowers the balance; interest is the lender's charge. In a buydown year, this is the full payment minus the part the buydown pays. In the example, $2,528 on a $400,000 loan at 6.5% over 30 years.
  • Mortgage insurance: insurance that protects the lender, charged monthly. Conventional loans have private mortgage insurance (PMI) only with less than 20% down; it is the loan amount times the annual rate for the buyer's credit score and down payment, divided by 12, and it stops once the balance falls to 78% of the home's value. FHA mortgage insurance (MIP) and the USDA annual fee are worked out each loan year on the balance at the start of that year, so they shrink slowly. VA loans have none. With 20% down, the example has $0.
  • Property tax: the yearly tax (typed in, or 1.1% of the option's price) divided by 12. In the example, $458.
  • Home insurance: the yearly homeowner's insurance (typed in, or 0.35% of the option's price) divided by 12. In the example, $146.
  • HOA: the homeowners' association dues per month, as entered. In the example, $0.

Why it matters: the payment is what the buyer feels every month and what a lender checks against income. Rank by Yr 1 when the payment is the buyer's main worry.

Year 1, Year 2, Year 3 and Year 3+

What they are: the monthly payment (and rate) in each period of the loan.

  • Year 1: months 1 to 12. This is the payment on the cards and the best card.
  • Year 2: months 13 to 24.
  • Year 3: months 25 to 36, shown only for the 3-2-1 buydown, the one option that still lowers the payment in year 3.
  • Year 3+: the full payment once every buydown is over, for the rest of the loan. For most options that starts in month 25. For the 3-2-1 buydown it starts in month 37, so when a 3-2-1 is in the Compare table the rows read Year 3 and Year 4+.

Why it matters: a buydown makes Year 1 look cheap; Year 3+ is the payment the buyer lives with afterward. Make sure your buyer can afford Year 3+. With no buydown on a fixed loan, all periods match.

Rate per year

What it is: the interest rate the buyer effectively pays in each period.

How OfferMath works it out: start from the base rate. Each discount point lowers it by the rate drop per point (0.25 percentage points by default), for the life of the loan. A buydown then lowers it further for its years only: a 2-1 buydown takes 2 percentage points off in year 1 and 1 off in year 2. No rate ever goes below 0%.

Why it matters: it shows at a glance whether a lower payment is permanent (points) or temporary (a buydown).

Loan amount

What it is: how much the buyer borrows.

How OfferMath works it out: the home's value for lending, minus the down payment. The value for lending is the option's price, or the expected appraisal when that is lower (lenders lend on the lower of the two). A percent down payment is taken of that value. Then the loan type's upfront fee is added, because these loans finance it into the loan:

  • FHA: the upfront mortgage insurance premium, 1.75% of the loan.
  • VA: the funding fee. First use: 2.15% under 5% down, 1.50% from 5% to under 10% down, 1.25% at 10% or more. Later use: 3.30%, 1.50% and 1.25%. None if the buyer is exempt.
  • USDA: the upfront guarantee fee, 1.00%.
  • Conventional: no upfront fee.

In the example: 80% of $500,000 is $400,000, with no fee.

Why it matters: a higher price or a financed fee means a bigger loan, a bigger payment and more interest. It is also what OfferMath checks against the buyer's pre-approval.

Points

What it is: the number of discount points the option buys. A discount point is prepaid interest: one point costs 1% of the loan amount and lowers the rate by the rate drop per point.

How OfferMath works it out: 1 discount point and 2 discount points buy exactly 1 or 2. Split: points + credit buys as many points as half the seller money pays for, which is usually a fraction (1.250 in the example).

Why it matters: points cost cash now and save money every month for as long as the buyer keeps the loan. They pay off only if the buyer keeps the loan long enough.

Cash to close

What it is: the money the buyer brings to the closing table.

How OfferMath works it out: price, minus the loan before any financed fee, plus closing costs, plus the cost of any points or buydown, minus the seller money used. “Price minus the loan” is the down payment, plus any part of the price above the appraisal. In the example (Closing cost credit): a 20% down payment, plus closing costs of 3% of the price, minus the $10,000 of seller money, comes to $105,000.

Why it matters: if the buyer doesn't have this cash, the deal doesn't close. Rank by Cash when cash is tight, and set the buyer's Cash available to close to get a warning.

Seller money used

What it is: how much of the seller money the option actually spends at closing. Lenders call this the seller concession.

How OfferMath works it out: the seller money, or the buyer's closing costs plus the points or buydown cost if those are smaller. For Price reduction it is $0, because the seller money comes off the price instead. For Credit + price cut it is the credit part only.

Why it matters: it is the figure checked against the loan type's seller concession limit.

Unused credit

What it is: seller money the option can't spend.

How OfferMath works it out: the credit offered minus seller money used. It appears when the credit is more than the closing costs plus the points or buydown cost.

Why it matters: a seller credit can only pay real closing costs; the buyer can't take the rest home. If you see unused credit, put it to work (more points, a bigger buydown) or ask for a lower price instead. The example has none.

Buyer pays extra

What it is: the part of the points or buydown cost that the seller money doesn't cover. Cards show it as “Buyer adds $… beyond the seller money”.

How OfferMath works it out: the points or buydown cost minus the seller money, when that is more than zero. It is already counted in cash to close. In the example, only the 3-2-1 buydown has it: $7,889.

Why it matters: it is cash the buyer must find on top of the down payment and closing costs. Note that cash to close can rise even when this is $0: once the seller money pays for points or a buydown, it no longer pays closing costs.

Net cost over the cost horizon

What it is: the true cost of the home to the buyer over the cost horizon (5, 7 or 10 years; 5 by default), the period you expect the buyer to keep this loan. The app labels it “5-yr cost”, and the Compare table “5-year net cost”.

How OfferMath works it out:

  • Cash out: cash to close, plus every monthly payment over the horizon (principal and interest, mortgage insurance, tax, insurance and HOA), plus refinance costs if the buyer refinances.
  • Minus equity built: equity is what the buyer would own at the end of the horizon, the home's value minus the loan balance still owed. The home's value is the price on the deal (before any option changes it), or the expected appraisal if that is lower. It is the same for every option, and OfferMath assumes the home's value doesn't change.

Because the value is the same for every option, an option that buys the home for less (Price reduction, and Credit + price cut by its price cut) starts with more equity, and one that pays more than the value (Price bump + matching credit) starts with less. That is why these options' net costs move the most.

The refinance assumption: with Refinance set to At 12, 24 or 36 months (and inside the horizon), OfferMath replaces the loan at that month with a new one at the Rate at refinance (left blank, the Interest rate minus 1 percentage point). The refinance costs (2% of the balance by default) are added to the cash out. Any buydown money not yet used goes toward the balance first. After the refinance, the points' lower rate is gone, so a planned refinance makes points look worse; a buydown loses nothing, because its unused money goes toward the balance. With no refinance (the default), the loan runs as made for the whole horizon.

Why it matters: it is the fairest single number for comparing options. It counts the cash, the payments and what the buyer owns at the end. Rank by 5-yr for a buyer who plans to stay. In the example, net costs run from $163,843 (Price reduction) to $180,938 (Price bump + matching credit).

ARM: first adjustment, worst case and maximum

An ARM (adjustable-rate mortgage) keeps its starting rate for 5, 7 or 10 years, then adjusts. For an ARM, cards show an extra line: “From month 61: up to $…/mo at …%” for a 5-year ARM.

  • First adjustment: the first month the rate can change, one month after the fixed years end (month 61, 85 or 121).
  • Worst case: the payment right after the first adjustment if the rate rises by the full first cap. After that, the worst case keeps rising by the later cap at each adjustment. A cap is a limit on how far the rate can move: the first cap at the first adjustment, the later caps at each adjustment after that. OfferMath's default caps are 2, 1 and 5 (first, later, lifetime) for a conventional 5-year ARM, and 5, 1 and 5 for 7- and 10-year ones, adjusting every 6 months; FHA and VA use 1, 1 and 5 for a 5-year ARM and 2, 2 and 6 for longer ones, adjusting every 12 months.
  • Maximum: the highest the rate can ever go, the starting rate plus the lifetime cap. The worst case can climb to it but never past it. The app's cards do not show the maximum rate or payment; they show only the first adjustment and the worst case.
  • Expected: if you enter an Assumed index in ARM settings, OfferMath also shows an expected payment: each adjustment moves toward the index plus the margin (the lender's fixed add-on: 2.75 for conventional, 2.00 for FHA and VA), rounded to the nearest 0.125, within the caps.

The ARM's net cost follows the expected path when there is an assumed index, and the worst case otherwise; the label says which, for example “5-yr cost (worst case)”. USDA loans have no ARMs.

Why it matters: a lower start rate is only safe if the buyer can still afford the worst case, or plans to sell or refinance first.

Warnings

Cards show small colored notes. Red means a lender would reject the deal as written, or the deal is at risk. Amber is a budget check or something to confirm.

Red:

  • Over the $… seller limit: the seller money used is more than the loan type's seller concession limit (below).
  • $… over appraisal: shown on Price bump + matching credit when its price is above the expected appraisal, by how much.

Amber:

  • Below …% minimum down: the down payment is under the loan type's minimum (3% conventional, 3.5% FHA).
  • Buydown stops at 0%: the points or buydown would take the rate below zero, so OfferMath stops it at 0%.
  • $… credit unused: there is unused credit (above).
  • $… over cash available: cash to close is more than the buyer's Cash available to close.
  • $…/mo over budget: the higher of the Year 1 and Year 3+ payments is more than the buyer's Max monthly payment.
  • $… over pre-approval: the loan amount is more than the buyer's Pre-approved amount.
  • Credit below 620: a conventional loan with a credit score under 620.
  • No ARMs on USDA loans: an ARM was chosen for a USDA buyer.
  • Confirm the lender allows this on an ARM: points or a buydown on an ARM.
  • Rate can change in month …: the ARM's first adjustment falls inside the cost horizon (and the buyer doesn't refinance before it).

In the example, none of the options has a warning, and neither does Credit + price cut in its $40,000 run.

Seller concession limits

What they are: the most seller money each loan type allows, as a percent of the home's value (the option's price, or the expected appraisal if that is lower):

Loan typeLimit
Conventional, under 10% down3%
Conventional, 10% to under 25% down6%
Conventional, 25% or more down9%
FHA6%
VA4%
USDA6%

For conventional, FHA and USDA, all seller money used counts. For VA, only the part beyond the buyer's normal closing costs and discount points counts. In the example (conventional, 20% down), the limit is 6% of the price, well above the $10,000 offered. You can change the limits in Rates & rules.

Why it matters: money over the limit is lost to the buyer, and the lender will make you rewrite the contract. If the seller wants to give more than the limit, take the rest off the price.

How the numbers help you make an offer.

The deal screen ranks the options under “All 10 options” (“All 9 options” when Credit + price cut is left out) by the sort you pick: Cash (cash to close), Yr 1 (Year 1 payment) or 5-yr (net cost over the cost horizon). The top option is the best card, with “Saves $…” showing how far ahead it is of the next one. Each other card shows how far behind the best it is, for example “+$… over 5 yrs · $… to close”. Options that tie keep the order on this page.

In the example:

  • By Cash, Closing cost credit wins at $105,000 to close.
  • By Yr 1, the 3-2-1 buydown wins at $2,400 a month, but the buyer pays $3,132 from year 4.
  • By 5-yr, Price reduction wins at $163,843, then 2 discount points at $165,359.

Pick the sort that matches the buyer's tightest limit: cash, monthly budget or long-term cost. The Compare card under the best card puts two options side by side (the top two, until you pick); tap the circle on any card to pick up to four. It marks the lowest in each row and sums them up in one line. Tap Share to send the buyer a report with the same table.

Then write the offer the way the winner needs it: a lower price, a seller credit toward closing costs, both, or a seller-paid points or buydown credit. Ask the buyer's lender how to word it for that loan.

The ten options.

In the order the app lists them. Each one spends the example's $10,000 of seller money, except Credit + price cut: all $10,000 fits as a credit, so the app leaves that option out of this deal, and its section uses the same deal with $40,000 of seller money. So in the example, “of the nine” means the other nine options.

Price reduction

What it is

The seller takes the seller money off the price. There is no credit at closing.

How OfferMath calculates it

The price drops by the seller money. Down payment, loan, closing costs, tax and insurance are all worked out on the lower price (when they are percents). Seller money used is $0. For net cost, the home's value stays the deal's original price, so the buyer starts with the discount as equity.

In the example

The price falls to $490,000, the loan to $392,000, and the payment to $3,070 a month. With no credit, the buyer pays all closing costs, so cash to close is $112,700, more than Closing cost credit's $105,000. It has the lowest 5-year net cost of the nine: $163,843.

Price reduction: the figures
FigureValue
Price$490,000
Loan amount$392,000
Points0.000
Rate per periodYear 1 6.500%, Year 2 6.500%, Year 3+ 6.500%
Cash to close$112,700
Seller money used$0
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$163,843
WarningsNone
Price reduction: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,478$0$449$143$0$3,070
Year 2$2,478$0$449$143$0$3,070
Year 3+$2,478$0$449$143$0$3,070

When it wins

When the buyer has the cash and plans to stay: it lowers everything that follows from the price, for as long as they own the home. It also lowers the property tax when tax follows the price.

What to tell your buyer

“A lower price lowers your loan, your payment, your tax and the amount you owe, for good. You'll bring more cash on closing day, because the seller isn't paying any of your closing costs.”

Watch out for

The cash to close. In the example, 2 discount points lower the payment more than the price cut does. The seller may also prefer a credit, because it keeps the sale price (and the neighborhood's comparable sales) higher.

Closing cost credit

What it is

The price stays the same and the seller pays the buyer's closing costs with the seller money.

How OfferMath calculates it

The loan and payment are worked out at the full price and base rate. Seller money used is the seller money, up to the closing costs. The option sections below compare the others with it, because it leaves the price and rate alone; the app itself measures every option against the best card.

In the example

Closing costs are 3% of the price, more than the $10,000, so all of it is used. Cash to close is $105,000, the lowest of the nine.

Closing cost credit: the figures
FigureValue
Price$500,000
Loan amount$400,000
Points0.000
Rate per periodYear 1 6.500%, Year 2 6.500%, Year 3+ 6.500%
Cash to close$105,000
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$167,390
WarningsNone
Closing cost credit: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,528$0$458$146$0$3,132
Year 2$2,528$0$458$146$0$3,132
Year 3+$2,528$0$458$146$0$3,132

When it wins

When cash is the buyer's tightest limit. It leaves the most money in the buyer's pocket at closing.

What to tell your buyer

“The seller pays $10,000 of your closing costs, so you need less cash to close. Your price, loan and payment stay the same.”

Watch out for

A credit larger than the closing costs is wasted (see unused credit), and every loan type caps it (see seller concession limits). It does nothing for the monthly payment.

Credit + price cut

What it is

The seller money first becomes the largest closing cost credit the deal allows, and the rest comes off the price. The card shows the split, for example “$14,226 credit · $25,774 off the price”.

How OfferMath calculates it

The credit is the largest whole-dollar amount that is no more than all three of:

  • the seller money;
  • the deal's Closing costs (Deal inputs → More);
  • the loan type's seller concession limit. For VA, the limit doesn't count normal closing costs, so only the seller money and the closing costs hold the credit back.

The rest of the seller money comes off the price. Closing costs (when they are a percent) and the limit are worked out at the new, lower price, so OfferMath solves for the split that fits them. With a dollar down payment, a lower price raises the down payment percent, which can move a conventional loan into a higher limit; OfferMath allows for that too. The credit is rounded down to a whole dollar, so the closing costs always cover it and there is no unused credit.

Down payment, loan, tax and insurance are worked out on the lower price, as for Price reduction, and the credit pays closing costs, as for Closing cost credit. Seller money used is the credit. For net cost, the home's value stays the deal's original price, so the price cut counts as equity.

OfferMath leaves this option out of a deal's list when it would only repeat another one: when all the seller money fits as a credit (it would match Closing cost credit), or when no credit fits at all (it would match Price reduction).

In the example

With the example's $10,000, all of it fits as a credit, so this option is left out. The figures below are the same deal with $40,000 of seller money and nothing else changed ($500,000, 6.5%, 30-year fixed conventional, 20% down).

Closing costs are 3% of the new price, and with 20% down the conventional limit is 6%, so the closing costs set the credit: $14,226. The other $25,774 comes off the price, which falls to $474,226. The loan is $379,381, the payment $2,971 a month, and cash to close $94,846. The 5-year net cost is $128,247. These figures spend $40,000 of seller money, so don't compare them with the other options' $10,000 figures.

Credit + price cut: the split
SplitValue
Credit$14,226
Price cut$25,774
Credit + price cut ($40,000 seller money): the figures
FigureValue
Price$474,226
Loan amount$379,381
Points0.000
Rate per periodYear 1 6.500%, Year 2 6.500%, Year 3+ 6.500%
Cash to close$94,846
Seller money used$14,226
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$128,247
WarningsNone
Credit + price cut ($40,000 seller money): monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,398$0$435$138$0$2,971
Year 2$2,398$0$435$138$0$2,971
Year 3+$2,398$0$435$138$0$2,971

When it wins

When the seller money is more than the closing costs or the concession limit can take as a credit. Closing cost credit would then leave money unused or over the limit, and Price reduction would leave the buyer paying every closing cost. This option uses the credit as far as it goes and puts the rest into a lower price, so the buyer gets both less cash to close and a lower loan and payment.

What to tell your buyer

“The seller pays $14,226 of your closing costs, and the rest of their $40,000 comes off the price. You need less cash at closing, and your loan, payment and tax are lower for good.”

Watch out for

The limit: OfferMath uses the concession limits in Rates & rules, and the lender's program may differ. The lender must approve the credit as written in the contract, and a credit can only pay real closing costs: if the final closing costs come in below the estimate, part of the credit is lost. Set Closing costs to the lender's estimate before you write the offer, and write both the lower price and the credit into it.

1 discount point

What it is

The seller money buys one discount point, which lowers the rate for the life of the loan. Whatever is left goes to closing costs.

How OfferMath calculates it

The point costs 1% of the loan amount. The rate drops by the rate drop per point. The seller money pays for the point first and then closing costs, so the buyer pays more of the closing costs than with a straight credit.

In the example

The point costs 1% of the $400,000 loan and lowers the rate from 6.5% to 6.25%. The payment falls to $3,067, and cash to close rises to $109,000.

1 discount point: the figures
FigureValue
Price$500,000
Loan amount$400,000
Points1.000
Rate per periodYear 1 6.250%, Year 2 6.250%, Year 3+ 6.250%
Cash to close$109,000
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$166,371
WarningsNone
1 discount point: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,463$0$458$146$0$3,067
Year 2$2,463$0$458$146$0$3,067
Year 3+$2,463$0$458$146$0$3,067

When it wins

When the buyer will keep the loan for years and wants a lower payment that never goes away, without the full cash of two points.

What to tell your buyer

“The seller's money buys your rate down by a quarter point for the whole loan. You'll pay a bit more at closing, and less every month for as long as you keep this loan.”

Watch out for

An early sale or refinance: the point is paid up front and pays back a little each month. Confirm with the lender how much one point really lowers the rate; 0.25 is OfferMath's default, not a quote.

2 discount points

What it is

The seller money buys two discount points, for a bigger rate cut for the life of the loan.

How OfferMath calculates it

Two points cost 2% of the loan amount and lower the rate by twice the rate drop per point. As with one point, the seller money pays for the points first, then closing costs. If the points cost more than the seller money, the buyer pays the rest (buyer pays extra).

In the example

The rate falls to 6.0% and the payment to $3,002, the lowest permanent payment of the nine. Cash to close is $113,000. Its 5-year net cost, $165,359, is second only to Price reduction.

2 discount points: the figures
FigureValue
Price$500,000
Loan amount$400,000
Points2.000
Rate per periodYear 1 6.000%, Year 2 6.000%, Year 3+ 6.000%
Cash to close$113,000
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$165,359
WarningsNone
2 discount points: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,398$0$458$146$0$3,002
Year 2$2,398$0$458$146$0$3,002
Year 3+$2,398$0$458$146$0$3,002

When it wins

For a buyer who will stay a long time and has the cash: the savings keep adding up every month.

What to tell your buyer

“This buys your rate down by half a point for the life of the loan, for the lowest lasting payment. It takes more cash at closing, and it pays off the longer you keep the loan.”

Watch out for

Cash to close, and a refinance plan: if rates fall and the buyer refinances soon, the points are gone. Lenders may also limit total points and fees.

2-1 buydown

What it is

A buydown uses seller money to pay part of the buyer's payment in the first years. In a 2-1 buydown, the rate is 2 percentage points lower in year 1 and 1 point lower in year 2. From year 3 the buyer pays the full rate.

How OfferMath calculates it

The loan's note rate stays the base rate. For each bought-down year, OfferMath works out the full payment minus the payment at the lower rate; twelve months of that difference, for each year, is the buydown's cost, paid at closing. The seller money pays it first and then closing costs.

In the example

The rate is 4.5% in year 1, 5.5% in year 2 and 6.5% after. The payment is $2,631, then $2,875, then $3,132. Cash to close is $114,104. The buydown's cost fits inside the $10,000, so the buyer pays nothing extra for it, but less of the seller money is left for closing costs.

2-1 buydown: the figures
FigureValue
Price$500,000
Loan amount$400,000
Points0.000
Rate per periodYear 1 4.500%, Year 2 5.500%, Year 3+ 6.500%
Cash to close$114,104
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$167,390
WarningsNone
2-1 buydown: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,027$0$458$146$0$2,631
Year 2$2,271$0$458$146$0$2,875
Year 3+$2,528$0$458$146$0$3,132

Its 5-year net cost, $167,390, is exactly the same as Closing cost credit's. Within the horizon, a buydown just moves money in time: the cash paid at closing comes back as lower payments in years 1 and 2.

When it wins

When the buyer needs a lower payment now and expects their income to grow, or hopes to refinance in a year or two (any unused buydown money then goes toward the loan balance).

What to tell your buyer

“Your payment starts lower and steps up each year until year 3, when you pay the full payment for the rest of the loan. Plan your budget around the full payment.”

Watch out for

Year 3+. Lenders usually qualify the buyer at the full rate, not the bought-down one; check with the lender. Not every loan program allows every buydown.

1-0 buydown

What it is

A one-year buydown: the rate is 1 percentage point lower in year 1, then full from year 2.

How OfferMath calculates it

The same way as the 2-1 buydown, for one year only. It costs less, so more seller money is left for closing costs.

In the example

The rate is 5.5% in year 1 and 6.5% after. The payment is $2,875 in year 1 and $3,132 after. Cash to close is $108,085, and the 5-year net cost is the same $167,390 as Closing cost credit.

1-0 buydown: the figures
FigureValue
Price$500,000
Loan amount$400,000
Points0.000
Rate per periodYear 1 5.500%, Year 2 6.500%, Year 3+ 6.500%
Cash to close$108,085
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$167,390
WarningsNone
1-0 buydown: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,271$0$458$146$0$2,875
Year 2$2,528$0$458$146$0$3,132
Year 3+$2,528$0$458$146$0$3,132

When it wins

When the buyer wants a softer first year without using up the whole credit: it keeps cash to close close to a plain credit.

What to tell your buyer

“Your first year's payment is lower; from year 2 you pay the full payment.”

Watch out for

The jump in year 2. Make sure the full payment fits the buyer's budget.

3-2-1 buydown

What it is

A three-year buydown: 3 percentage points lower in year 1, 2 lower in year 2, 1 lower in year 3, then full from year 4.

How OfferMath calculates it

The same way as the 2-1 buydown, for three years. Because it costs the most, it can cost more than the seller money; the buyer pays the difference (buyer pays extra). This is the one option with a Year 3 row; its Year 3+ payment starts in month 37 (Year 4+ in Compare).

In the example

The rate is 3.5%, 4.5%, then 5.5%, and 6.5% from year 4. The payment is $2,400, $2,631, $2,875, then $3,132. The buydown costs more than the $10,000, so the buyer adds $7,889, and cash to close is $122,889, the highest of the nine. The 5-year net cost is again $167,390.

3-2-1 buydown: the figures
FigureValue
Price$500,000
Loan amount$400,000
Points0.000
Rate per periodYear 1 3.500%, Year 2 4.500%, Year 3 5.500%, Year 4+ 6.500%
Cash to close$122,889
Seller money used$10,000
Unused credit$0
Buyer pays extra$7,889
Net cost over 5 years$167,390
WarningsNone
3-2-1 buydown: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$1,796$0$458$146$0$2,400
Year 2$2,027$0$458$146$0$2,631
Year 3$2,271$0$458$146$0$2,875
Year 4+$2,528$0$458$146$0$3,132

When it wins

When the lowest possible early payment matters most, and the buyer has the cash to add to it.

What to tell your buyer

“You get the lowest payment for the first three years, but you'll bring more cash to closing, and from year 4 your payment is the full amount.”

Watch out for

The “Buyer adds” line, and the year 4 payment. Many loan programs limit 3-2-1 buydowns; check with the lender.

Price bump + matching credit

What it is

The price goes up by the seller money, and the seller gives the same amount back as a closing cost credit. The seller nets the same; the buyer finances the extra.

How OfferMath calculates it

Price, down payment, loan, closing costs, tax and insurance are all worked out at the higher price. The credit pays closing costs like Closing cost credit. For net cost, the home's value stays the deal's original price, so the bump above it counts against the buyer.

In the example

The price rises to $510,000 and the loan to $408,000. Cash to close is $107,300, and the payment is $3,195, the highest of the nine. Its 5-year net cost, $180,938, is also the highest.

Price bump + matching credit: the figures
FigureValue
Price$510,000
Loan amount$408,000
Points0.000
Rate per periodYear 1 6.500%, Year 2 6.500%, Year 3+ 6.500%
Cash to close$107,300
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$180,938
WarningsNone
Price bump + matching credit: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,579$0$468$149$0$3,195
Year 2$2,579$0$468$149$0$3,195
Year 3+$2,579$0$468$149$0$3,195

When it wins

When the seller won't give any money but will accept a higher price, and the buyer is short on cash. It keeps cash to close low at a lasting cost every month.

What to tell your buyer

“You'd borrow the seller's credit and pay it back with interest over the loan. It saves cash now and costs more every month. It only works if the home appraises at the higher price.”

Watch out for

The appraisal: if the home appraises below the bumped price, the lender lends on the appraisal and the buyer pays the gap in cash. Set an expected appraisal and OfferMath flags it in red (see the appraisal gap).

Split: points + credit

What it is

Half the seller money buys discount points; the other half is a credit toward closing costs.

How OfferMath calculates it

OfferMath buys as many points as half the seller money pays for, often a fraction of a point, and lowers the rate by that many times the rate drop per point. The rest of the seller money pays closing costs.

In the example

Half the seller money buys 1.250 points, lowering the rate to about 6.188%. The payment is $3,051 and cash to close $110,000.

Split: points + credit: the figures
FigureValue
Price$500,000
Loan amount$400,000
Points1.250
Rate per periodYear 1 6.188%, Year 2 6.188%, Year 3+ 6.188%
Cash to close$110,000
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$166,117
WarningsNone
Split: points + credit: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,447$0$458$146$0$3,051
Year 2$2,447$0$458$146$0$3,051
Year 3+$2,447$0$458$146$0$3,051

When it wins

For a buyer who wants some of both: a lower payment for good and a little help with closing costs.

What to tell your buyer

“Half the seller's money lowers your rate for the life of the loan, and half pays closing costs.”

Watch out for

Lenders price points in their own steps, so the real rate cut for a fraction of a point may differ. Get the lender's quote.

Appraisal gap.

An appraisal gap is the amount the price is above the home's appraised value. Lenders lend on the lower of the price and the appraisal, so the buyer must pay the gap in cash or get the price lowered.

When you set an Expected appraisal below the price (Deal inputs → More), OfferMath sizes every loan on the lower of the price and the appraisal, and the deal screen adds an Appraisal card with two more options.

The example below is the same deal with a $490,000 expected appraisal: an appraisal gap of $10,000. Both options borrow 80% of $490,000, which is $392,000. When the price stays at $500,000, the $10,000 over the appraisal comes out of the buyer's cash, not the loan. In this run, the Price bump + matching credit option also gets a red “$20,000 over appraisal” warning: its price of $510,000 is $20,000 above the appraisal.

Renegotiate to appraisal

What it is

The price comes down to the appraised value, and the seller still gives the seller money as a credit.

How OfferMath calculates it

Price is the expected appraisal. The loan, closing costs, tax and insurance follow that price. The seller money pays closing costs. For net cost, the home's value is the appraisal.

In the example

The price is $490,000, the loan $392,000, and the seller's $10,000 still pays closing costs. Cash to close is $102,700 and the payment $3,070.

Renegotiate to appraisal: the figures
FigureValue
Price$490,000
Loan amount$392,000
Points0.000
Rate per periodYear 1 6.500%, Year 2 6.500%, Year 3+ 6.500%
Cash to close$102,700
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$163,843
WarningsNone
Renegotiate to appraisal: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,478$0$449$143$0$3,070
Year 2$2,478$0$449$143$0$3,070
Year 3+$2,478$0$449$143$0$3,070

When it wins

Whenever the seller agrees. In the example it is lower than Keep price, cover the gap on payment, cash to close and 5-year cost.

What to tell your buyer

“The home appraised low, so we ask the seller to meet the appraisal. You keep the seller's credit and need less cash.”

Watch out for

The seller may refuse, or want to drop the credit in return. Check the contract's appraisal terms.

Keep price, cover the gap

What it is

The buyer pays the full price and covers the appraisal gap in cash.

How OfferMath calculates it

The price stays the same, but the loan is sized on the appraisal, so the buyer's cash to close includes the gap. Closing costs, tax and insurance follow the full price. The seller money pays closing costs. For net cost, the home's value is the appraisal.

In the example

The price is $500,000 but the loan is $392,000, so cash to close is $113,000, including the $10,000 gap. The payment is $3,082 (the same loan payment as Renegotiate to appraisal, with tax and insurance on the higher price). The 5-year net cost is $174,867.

Keep price, cover the gap: the figures
FigureValue
Price$500,000
Loan amount$392,000
Points0.000
Rate per periodYear 1 6.500%, Year 2 6.500%, Year 3+ 6.500%
Cash to close$113,000
Seller money used$10,000
Unused credit$0
Buyer pays extra$0
Net cost over 5 years$174,867
WarningsNone
Keep price, cover the gap: monthly payment
PeriodPrincipal and interestMortgage insuranceProperty taxHome insuranceHOAMonthly total
Year 1$2,478$0$458$146$0$3,082
Year 2$2,478$0$458$146$0$3,082
Year 3+$2,478$0$458$146$0$3,082

When it wins

When the buyer wants the home more than the money, the seller won't move, and the buyer has the cash. It keeps the deal together.

What to tell your buyer

“To keep the price, you'd pay the gap between the price and the appraisal in cash, on top of your down payment. You'd be paying more than the lender thinks the home is worth.”

Watch out for

Cash to close, and the equity: the buyer starts owning less than they paid.

Glossary.

Amber warning
A note on a card for a budget check or something to confirm with the lender.
Appraisal
A licensed appraiser's opinion of the home's value, ordered by the lender.
Appraisal gap
How much the price is above the appraisal. The buyer pays it in cash unless the price comes down.
ARM
Adjustable-rate mortgage: a loan whose rate is fixed for 5, 7 or 10 years, then adjusts.
Assumed index
An ARM index rate you enter so OfferMath can show an expected payment after the first adjustment.
Base rate
The buyer's quoted interest rate with no discount points; the Interest rate in Deal inputs.
Best card
The top option for the sort you picked, shown large at the top of the deal screen.
Buydown
Seller money that lowers the buyer's payment for the first one to three years (1-0, 2-1 or 3-2-1).
Buyer pays extra
The part of the points or buydown cost the seller money does not cover; the buyer pays it at closing.
Cap
A limit on how far an ARM rate can move: first cap, later caps, and a lifetime cap.
Cash to close
The money the buyer brings to closing: down payment, any appraisal gap, closing costs, points or buydown, minus seller money used.
Closing costs
Lender, title, escrow and other fees paid at closing, not counting the down payment.
Concession limit
The most seller money a loan type allows, as a percent of the home's value.
Cost horizon
The number of years (5, 7 or 10) the net cost covers.
Credit score band
The buyer's credit score range; it sets the conventional PMI rate.
Discount point
Prepaid interest: 1% of the loan amount, which lowers the rate for the life of the loan.
Down payment
The buyer's own money toward the price.
Equity
What the buyer owns: the home's value minus the loan balance.
Expected appraisal
The value you expect the appraisal to come in at; set it in Deal inputs → More.
FHA loan
A loan insured by the Federal Housing Administration; it has an upfront and an annual mortgage insurance premium.
First adjustment
The first month an ARM rate can change (month 61, 85 or 121).
Funding fee
The VA loan's one-time fee, added to the loan unless the buyer is exempt.
HOA
Homeowners' association dues, per month.
Home insurance
Homeowner's insurance, shown per month.
Lifetime cap
How far above its starting rate an ARM can ever go.
Loan amount
What the buyer borrows, including any financed FHA, VA or USDA fee.
Margin
The lender's fixed add-on to the index that sets an ARM rate after it adjusts.
Maximum rate
The highest an ARM rate can go: the starting rate plus the lifetime cap. The app's cards do not show it.
Monthly payment
Principal and interest, mortgage insurance, property tax, home insurance and HOA, together.
Mortgage insurance
Insurance that protects the lender: PMI on conventional loans, MIP on FHA loans, the annual fee on USDA loans.
Net cost
Cash out over the cost horizon (cash to close, payments, refinance costs) minus the equity built.
Note rate
The loan's actual interest rate, after points and before any buydown.
PMI
Private mortgage insurance on a conventional loan with less than 20% down.
Pre-approved amount
The loan amount the buyer's lender has pre-approved; OfferMath warns if a loan is above it.
Principal and interest
The loan payment: principal lowers the balance, interest is the lender's charge.
Property tax
The yearly tax on the home, shown per month.
Rate drop per point
How much one discount point lowers the rate; 0.25 percentage points by default.
Red warning
A note on a card when a lender would reject the deal as written, or the deal is at risk.
Refinance
Replacing the loan with a new one, usually at a lower rate.
Seller concession
Seller money paid toward the buyer's costs at closing.
Seller money
What the seller will give up in this deal, as a lower price, a credit, points or a buydown.
Seller money used
The seller money an option actually spends at closing.
Unused credit
The credit offered minus the seller money used: what an option cannot spend because the closing costs and points or buydown cost are smaller.
USDA loan
A rural home loan backed by the US Department of Agriculture; it has an upfront and an annual guarantee fee.
VA loan
A loan backed by the Department of Veterans Affairs; no mortgage insurance, but a funding fee.
Worst case
An ARM payment if the rate rises by the full cap at every adjustment.
Year 1, Year 2, Year 3, Year 3+
The monthly payment in each period; Year 3+ is the payment once every buydown is over.

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