housing slump will persist through 2008, causing losses to mount and mortgage lending to fall to an eight-year low.NEW YORK–Washington Mutual Inc., the largest U.S. savings and loan, said yesterday the U.S. Another important benefit of refinance mortgage loans is that gives the borrower more flexibility. It allows you to change loan terms from a long one to something shorter. In this way, you can pay off the principal more quickly, thus saving you from the total interest charges.