This document provides 5 key questions to consider when designing a batching control system: 1) What are your long-term objectives and what do you want to achieve? 2) Do operators miss steps in recipes and how can the system help minimize errors? 3) How do over- or under-filling components impact costs and quality? 4) Do you need to track, trace and print documentation? 5) What are the most important components to measure accurately? The document recommends evaluating factors that cause operator errors, costs of measurement errors, and necessary documentation.