What you'll learn:
Understand when you need to connect multiple data sources to get different breakdowns for the same account
Learn to recognize where common KPIs like cost, clicks, and impressions are double-counted across different report types, leading to inaccurate totals
Master the process of creating a custom dimension to filter your data, ensuring your reports only show one "source of truth" at a time without losing granularity
For more details, read through our How to avoid double-counting article.