This document discusses 10 common mistakes that business analysts make and how to avoid them. It begins by introducing the author and their experience and qualifications. It then outlines a brief agenda covering typical BA mistakes, tips to avoid mistakes, why people make mistakes, and what a business analyst is. The document delves into each of the 10 mistakes - such as being a system analyst instead of a BA, not understanding stakeholder needs, insufficient or overloaded documentation, and lack of proactivity. It emphasizes the importance of listening, digging into details, and having domain knowledge. Throughout, it provides tips on proper prioritization, experience, communication, and learning from mistakes.