Buying down your rate, the permanent kind

Temporary rate buydowns are one of the more underused tools out there, most buyers never touch one. When someone does use one, they often assume it works the same way as buying down a rate permanently with points. It doesn't.

What buying points actually does

A temporary buydown, the kind that showed up in a story I told a few weeks ago, lowers your payment for a set stretch and then steps up to the loan's real rate on schedule. It's also genuinely useful for a specific situation: if someone has cash on hand but a tight debt-to-income ratio, that lower payment up front can be the difference between qualifying and not. Buying points is a different kind of thing entirely. You pay money at closing, and in exchange, your rate is lower for the entire life of the loan. Permanently. No step-up, no expiration date, no countdown clock.

Why it's called "buying"

Each point costs a percentage of your loan amount, and in exchange, your rate drops by a set amount. Points also come in fractions, so it's not all-or-nothing at a whole number, you can buy a half point or a quarter point if that's what actually makes sense for your budget. The lender isn't doing you a favor here. You're literally purchasing a lower rate with cash up front instead of paying it off slowly through a higher payment for thirty years.

More points isn't automatically a better deal

People assume that if one point helps, two or three points must help more. Sometimes that's true. A lot of the time it isn't, because each additional point tends to buy you a little less rate reduction than the one before it. At some point you're paying real money up front for a shrinking benefit, and that money would have done more for you sitting in your reserves or going toward the down payment instead. This is exactly the kind of thing worth running the numbers on instead of assuming more is better.

The math you actually have to run

Every point you buy has a break-even point: the number of months it takes for what you save on your payment to add up to more than what you paid for the point in the first place. Stay in the loan past that break-even point, and buying points was worth it. Sell or refinance before you get there, and you handed the lender money for nothing.

That break-even math is the only part of this decision that matters. Everything else is noise.

Who this actually works for

This isn't for everyone, and it's not supposed to be. It works best for buyers who are fairly confident they're staying put for years, who have extra cash at closing that isn't needed anywhere else, and who've actually worked out their own break-even point instead of guessing at it or taking someone's word for it.

Someone buying the house they plan to stay in for the next decade is in a very different spot than someone buying a starter place they expect to outgrow in a couple of years. The first buyer has time on their side to clear that break-even point with room to spare. The second buyer might sell before the math ever turns in their favor, which makes points a worse bet no matter how good the rate reduction looks on paper. Same tool, completely different answer, depending on the timeline.

Points don't have to come out of your pocket

The cash for points doesn't have to be yours. Just like a temporary buydown, a seller can agree to cover the cost of permanent points as part of the negotiation on an offer, and so can a builder on new construction. If you're in a market where sellers are motivated, that's worth putting on the table before you assume you'd be the one paying for it. It's the same idea I used to get a seller to cover a temporary buydown on a duplex a few weeks back, just aimed at a different kind of rate reduction.

The permanent versus temporary mix-up, one more time

This is a mix-up I do run into. Someone assumes their permanent rate is negotiable the same casual way a temporary buydown is, or they hear "buydown" and assume it automatically means points. They're different tools built for different problems. A temporary buydown buys you room in the budget for the first year or two while you settle in, or gets a tight DTI across the finish line. Buying points buys you a lower rate for as long as you keep the loan, full stop.

Know which problem you're actually trying to solve, and the right tool gets a lot easier to pick.

If you're staring at a rate sheet trying to figure out whether points make sense for you, I'm easy to reach.

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