If you’re refinancing an FHA loan, try to schedule the closing for as close to the end of the month as possible. Unlike conventional loans, on which lenders typically charge interest only up until the date the loan is repaid, the FHA charges interest through the end of the month, regardless of the payoff date. That means for the period between the time you close and the end of the month, you will be paying interest on your old loan and your new one.