DEAR BOB: I have frequently heard if your mortgage calls for monthly payments, you can make a significant interest savings if you pay twice monthly. For example, my mortgage payment is due on the first day of each month. I would like to pay half of my monthly payment 15 days before the due date and the remainder on the due date. But my lender says the only way I can do this is through a third-party company, which will then charge me a sign-up fee of several hundred dollars plus a monthly fee. more...