Buying Down Your Mortgage Rate: It’s Not Just One Way or the Other

Washington Post, Apr. 21, 2023–Michele Lerner
“Buy-downs,” which reduce mortgage interest in exchange for upfront fees, quickly became popular for buyers, especially when sellers were willing to pay the upfront fees as an incentive to buyers in a slower market.
https://www.washingtonpost.com/business/2023/04/21/buying-down-your-mortgage-rate/