is a 3 2 1 buydown mortgage a good deal 
a 3 2 1 buydown mortgage can be a good deal for the homebuyer particularly if someone else such as the seller is paying for it however buyers need to be reasonably certain that they ll be able to afford their mortgage payments once the full interest rate applies from the fourth year onward otherwise they could find themselves stretched too thin and in a worst case scenario lose their homes the bottom linea 3 2 1 buydown mortgage offers homebuyers a financing option that can get them into a home despite a high interest rate environment it offers them a way to save money on monthly loan payments in the first three years of the loan however borrowers must understand that their monthly payments will increase in the fourth year of the loan to the original interest rate and remain at that level for the life of the mortgage 