The document discusses the top 10 pitfalls to avoid when answering reference questions using an email-based reference service. Some of the key pitfalls include not practicing with sample questions, relying on a single source without further research, treating sources like Wikipedia or search engines as authoritative, and providing too much unsolicited information or advice without directly answering the question. The document emphasizes practicing reference skills, evaluating multiple sources, and directly answering the question while providing useful source information.