As interest rates rise, homebuyers are discovering that they can't afford as much home as they could have just a few years ago. The 30-year mortgage rate recently stood at about 4.6%, according to a BankRate survey of national lenders, the highest rates have been since 2014.Should mortgage rates continue higher, buyers may have to save more for a larger down payment or simply buy less expensive homes, as each marginal increase in rates has a big impact on how much you can borrow.Image source: Getty Images.Continue reading