Here’s a little something to ponder before a bidding war: Will the bank agree with how much you just paid for that home? Appraisals are coming in below purchases price on some deals, with the potential to scuttle a transaction, lose a deposit or, at the very least, force buyers to look for other sources to cover the shortfall. “This is happening all the time,” says Vince Gaetano, a principal at Monster Mortgage. “People are having to come up with … →