Q4 Home Buying: Rate Buydown vs. Price Cut — Run the Numbers, Don't Guess

Published September 2026 | 3 min read

Fall is the season of motivated sellers. Homes that sat all summer get price cuts, and builders start throwing around rate buydowns to move inventory before year-end. If you're shopping this quarter, you'll likely be offered one of these two "deals." They are not the same deal, and picking the wrong one can cost you five figures.

Here's the plain-English difference:

• A price cut lowers the amount you borrow. Borrow less, pay less interest, owe less — simple, permanent, and it helps from day one.
• A rate buydown is money paid upfront (by you or the seller) to lower your interest rate, usually for the first year or two, sometimes permanently. Lower rate, lower payment — but the benefit has an expiration date on the temporary versions.

So which wins? The annoying, honest answer: it depends on how long you keep the loan. A buydown that saves you $200 a month for two years is worth $4,800 — great if you sell or refinance in three years, less impressive if you stay for fifteen while a price cut keeps saving you the whole time.

Imagine a seller says: I'll cut the price by $10,000, or I'll put $10,000 toward buying down your rate. Same concession on paper. But the price cut reduces your loan balance for the entire life of the mortgage, while a temporary buydown's savings stop when the buydown period ends. On the other hand, if the buydown is permanent and the rate drop is big enough, the monthly savings can beat the price cut within a few years.

There's no rule of thumb here — and anyone giving you one is guessing. The only way to know is to run both scenarios side by side: same home, same down payment, once with the lower price, once with the lower rate. Compare the monthly payment and the total interest over the years you actually expect to stay.

Run both scenarios: mortgage calculator

Two more things to check before you decide. First, who pays for the buydown matters — if you're paying for it out of pocket, that cash could have been a bigger down payment instead, so run that comparison too; sometimes the boring option wins. Second, get the buydown terms in writing: temporary or permanent, exact rates, exact years. "Lower rate!" without numbers is a slogan, not an offer.

The market is handing out concessions this quarter. Take them — just make sure you take the right one.