Paul Turley has a great document plus checklist on Power BI practices:
I find there there are so many things to remember when starting a project that a checklist is handy. I’ve been collecting the following as notes for some time. Bare with me as I work on consolidating this article into a concise checklist.
The purpose of this article is to outline a set of guidelines and recommended practices for managing Microsoft Power BI projects. This guide is primarily focused on the work performed by the IT-managed BI Solution Developers for formally-managed BI projects.
If you work heavily with Power BI, you’ll really want to read this and review Paul’s checklist at the end.