The interest rate would...Shortly after the new year, John and Mona Breidenstein became anxious about their $427,000 adjustable-rate mortgage. Many people dream of owning their own homes but only very few are able to pay cash for them. This is why FHA mortgages are one of the popular to find a source for consumer credit. People who could not otherwise afford to own a house become homeowners with the help of FHA mortgage insurance programs.