What is a 3-2-1 Interest Rate Buy Down? With interest rates rising and then bouncing around like a yoyo, sellers and lenders have pulled an old tool out of the tool kit to help with affordability, but it's not for the feint of heart. So, how does a 3-2-1 interest rate buy down work, and is it a successful tool that can be used … [Read more...] about 3-2-1 Interest Rate Buy Down