It may seem that homebuyers and sellers don't agree on much, but they share one important concern: that the transaction is successful. This comradery is never more evident than during the appraisal process. It's only natural, since the results of the appraisal can send the deal spiraling out of control. Appraisers take into account many factors when determining the worth of a home. While some of these, such as location, can't be helped, there are things a homeowner can do to ensure that the home is appraised for maximum value. 1. Information is King Appraisers don't spend a lot of time in the home. In fact, Brian Coester, chief executive of appraisal firm CoesterVMS, tells CNBC that the i…