Mortgage rates are lower than this time last year, but they're still nowhere near the 3% range we saw in 2020 and 2021. However, there is a way to lower your mortgage costs: a buydown interest rate. With this method, you pay more at closing to lower your mortgage interest rate. While it costs more money up front, it can lead to greater savings over the life of the loan. But it’s a more beneficial tactic if you plan to stay in the home for a while — the longer you keep the mortgage, the more you’ll save by ...