Advanced Power BI Coaching Needed

I need an instructor who lives and breathes Power BI and can show me, step by step, how to create production-ready analytics solutions. My top priority is Power Query: building robust transformation pipelines, combining diverse data sources, and writing efficient M code that scales... (Budget: $30 - $250 USD, Jobs: Analytics, Data Analysis, Data Modeling, Data Science, Power BI, R Programming Language, Statistical Analysis, Statistics)