Over the past several years, we have worked with many retailers (large and small) on their RFID pilots and early-stage deployments. Every pilot and deployment is different and presents its own opportunities and challenges. However, across all of these projects, we have recognized some common errors and pitfalls that retailers face. Accordingly, we have distilled these errors and pitfalls into a list of 10 deployment rules. While following these rules will not guarantee pilot or deployment success, they can hopefully make one aware of the issues and, thus, make a decision to either make a correction or intentionally accept the potential consequences of ignoring the pitfall. Although this is not an exhaustive list, the 10 rules represent the most severe and most common pitfalls.