Assumable mortgages were a (common) thing until the low interest mortgage Era. But they are (again) a thing and in-fact add premium value to the selling price of a home if your mortgage happens to have the feature along with a low interest rate. VA mortgages are the convenient example for this but there are other types of assumable residential notes as well. https://therealdeal.com/national/2023/06/12/assumable-mortga...