If you are buying a home and getting a mortgage, or refinancing an existing mortgage, you will need to have an appraisal completed. You know an appraisal is an important part of the home buying and selling process, but you may know exactly what is covered during an appraisal. We share what an appraiser is looking for when they come out to your home, how they determine the appraised value of a home, how long it take, who pays for it and what happens if the appraisal comes in low.