Common home-selling mistakes that you should know Protect yourself from common home-selling mistakes by knowing what to watch out for ahead of time. Here are 12 home-selling mistakes and how to avoid them: Mistake #1: Not Expecting Home-Selling Costs Mistake #2: Selling When Youʼre Upside-Down on Your Mortgage Mistake #3: Selling It by Yourself Mistake #4: Pricing It...