*7 min read · Last updated May 23, 2026*

In this article

– What each option actually does – Where the math separates them – When a buydown wins – When discount points win – The break-even step lenders skip – FAQ

Marcus, a 34-year-old buying a $425,000 home in Charlotte, sat across from his loan officer this month and got handed two quotes. Option A: a 2-1 temporary buydown for $8,500, dropping his 7% rate to 5% in year one and 6% in year two before settling back at 7%. Option B: two discount points for $8,500, permanently knocking the rate down to about 6.5% for the full 30 years. Same cash. Two completely different bets. He picked the one that felt cheaper in month one. That is exactly how lenders want most buyers to decide, and exactly how thousands of homeowners overspend.

What each option actually does

A rate buydown lowers your interest rate temporarily. The most common version is the 2-1 buydown: rate drops 2 percentage points in year one, 1 point in year two, then snaps back to the note rate in year three. A 3-2-1 buydown spreads it across three years. The buydown money sits in an escrow account the servicer draws from each month to cover the rate gap.

A discount point lowers your interest rate permanently. One point costs 1% of the loan amount and typically buys down the rate by 0.25%, though the exact ratio depends on the lender and the day. Two points on a $425,000 loan cost $8,500 and usually shave 0.50% off the rate for the full term.

The crucial difference: a buydown is prepaid interest released back to you on a schedule. A discount point is prepaid interest that permanently changes the loan’s amortization. According to the Consumer Financial Protection Bureau, discount points are tax-deductible in the year you pay them on a primary residence purchase. Buydown funds are treated differently for tax purposes and homeowners should confirm the treatment with their tax preparer.

Where the math separates them

Here is what Marcus’s two options actually cost over different time horizons. Loan amount: $425,000. Note rate: 7%. Both options cost $8,500 upfront.

The buydown wins for the first two years on raw cash flow. The points pull ahead around year 5 and never look back, assuming you keep the loan. That assumption is the catch most lenders skip past.

When a buydown wins

A buydown is the right call in three specific situations.

The seller is paying. In a slower market, sellers routinely cover buydown costs as a concession that does not require dropping the asking price. This shows up as a credit on the closing statement. A free 2-1 buydown beats every discount point scenario because your out-of-pocket cost is zero. If the listing has been sitting for more than 30 days, ask. Mortgage Bankers Association data has shown that purchase application volume keeps rising even with rates above 7%, which gives buyers more leverage than the headlines suggest.

You expect rates to fall and plan to refinance within 2-3 years. A buydown front-loads the savings exactly during the period before you would refinance. Discount points you paid would be lost the moment the refi closes because the new loan resets the amortization. The buydown already paid you back.

Your income is rising sharply. If you are taking a job that ramps base pay 20% over two years, the buydown matches the payment shock to your income curve. The lower payments in year one match a tighter budget; by year three, when the rate snaps back, your income absorbs it.

In any of those three, a buydown is the smart play. Outside of them, it is usually the worse trade.

When discount points win

Points win when you are buying a home you actually plan to stay in. The break-even on two points at $8,500 is roughly $144 per month in saved interest. On a $425,000 loan at 6.5% versus 7%, that is right around the actual monthly savings. After about 59 months, the points have paid for themselves. Every month after that is pure savings.

The math gets even stronger when you factor in that discount points are typically tax-deductible in the year paid on a primary residence purchase. At a 24% marginal tax rate, $8,500 in points effectively costs about $6,460 after the deduction, shifting the break-even to roughly year 4.

For a buyer in their 30s buying a starter home they expect to occupy 7-10 years, or any buyer who has settled into a long-term residence, discount points are usually the financially correct choice. The risk: if you refinance early because rates drop sharply, the points disappear with the old loan. That is why the decision to refinance should be modeled before you ever buy the points.

The break-even step lenders skip

Most lender quotes show you the monthly payment under each option. Almost none show you the break-even month side by side. Ask for it in writing. The calculation is simple: divide the upfront cost by the monthly interest savings. If the answer is shorter than the number of months you reasonably expect to keep the loan, the points are worth it. If it is longer, they are not.

The other piece lenders skip: a third option that often beats both. Take the seller credit, do not buy down anything, and put the saved cash into your reserves so you can pay extra principal in year one. Knocking $8,500 off the principal of a $425,000 loan at 7% reduces total interest paid by roughly $25,000 over 30 years, more than a buydown and competitive with points without the lock-in. That option rarely makes it onto the lender’s sheet because it does not involve a fee.

Run all three. Then lock the rate only after you know which one wins for your actual timeline.

FAQ

Is a rate buydown the same thing as a discount point? No. A buydown lowers your rate temporarily, usually for the first 1-3 years of the loan, then the rate returns to the note rate. A discount point lowers your rate permanently for the full term of the loan. Both cost money upfront, but the savings work on completely different schedules.

Can the seller pay for both? Yes, sellers can credit either one as a closing concession. Seller-paid buydowns are more common in slow markets because they preserve the asking price. Seller-paid discount points happen but are less common because most sellers prefer the optical advantage of a buydown.

What happens to a buydown if I refinance during the buydown period? Most loan agreements return the unused buydown funds either to you or applied as principal reduction on the refinance. Confirm the exact language with your loan servicer before refinancing because the rules vary.

Do discount points still make sense if rates might drop? This is the key risk with points. If you pay $8,500 in points and refinance 18 months later because rates fell, you lose most of that money. If your read on the rate environment says rates are likely to fall within 2-3 years, a buydown or no concession at all usually beats points.

How do I tell if my lender’s points pricing is fair? A standard ratio is roughly 0.25% rate reduction per 1.0% of loan amount paid in points, but the ratio varies daily and by lender. Ask two competing lenders for itemized loan estimates showing the rate without points and the rate with one and two points. If one lender’s reduction is significantly smaller, push back or shop the loan.