There is a lot a good documentation on how to start with DX. After starting though, you may have some unanswered questions: What should I do with Profiles? How can I deploy metadata that includes usernames? What are these weird push errors I’m getting? These are just a subset of questions that may arise when going deeper in DX. Come and listen to 3 years of learnings using Salesforce DX, the issues encountered and how we solved them.