Built a full Power BI ecosystem from scratch (Excel → SQL → Power BI → PowerApps) - looking for feedback

Samenvatting

I would like to tell you my story of how I got to the point of developing whole PowerBI infrastructure for my department. I hope you will find time to read this soul sharing. Important to say, I had no previous knowledge, except Excel, and I was at Sales Coordinator role when I started 2 years ago. I used LLMs to teach me syntax mostly. First step was one of my biggest wins, while learning SAP, SAP exports and how my customer related actions work, I started sensing something off about invoici...