It’s Responsible and Efficient to Begin Appraisals by Granting Certain Assumptions and Respecting Precedent. Here’s Why. All kinds of news, findings, and rulings come out that might affect the work of financial consultants and appraisers every day. When can you know when a precedent is important or something you can ignore? Or, put another way: what information is most important to pay attention to? Rand Curtiss explains.