Home Mortgage Refinancing - Why Should I Refinance? There are many reasons that are put forward as being a viable cause for obtaining home mortgage refinancing, but these may or may not be valid reasons if you look at the total cost of the loan. In most instances, the home mortgage is the single largest fin Here are a few informational hints that may help you determine if home mortgage refinancing is the route for you to follow.A discussion of why and when refinancing is helpful follows. 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 methods 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.