Congratulations! You’ve received a pre-approval from your mortgage lender, and are out looking at homes! This is no time to mess things up. Experienced loan officers will always admonish borrowers to keep things the same as they are as of the time of the pre-approval, but every once in awhile a borrower will ignore the loan officer’s advice and make one or more of these critical mistakes as they move toward the closing. Keep in mind that a mortgage pre-approval has no value—and wo...