Aug. 6 (Bloomberg) -- Mortgage applications in the U.S. The Mortgage Bankers Association's index of applications to buy a home or refinance a ... climbed last week from a seven-year low as more Americans sought to refinance out of adjustable-rate loans. There are always two sides to every coin. As with all things, online mortgages, for all their many benefits, do have a certain disadvantage. And this certain disadvantage is enough to cause some people from engaging in such. Because part of the transaction is done online, people are hesitant to pursue online mortgages.