GA4 → BigQuery Export The Data API is good but bounded — sampled past a threshold, capped at 150 dimensions, no cohort joins. BigQuery export gives you the raw event stream as SQL-queryable tables, free at the standard GA4 tier (up to 1M events/day), with no sampling and full event payloads. This skill: one-time setup, then the SQL recipes for what the Data API can't do well. Setup — one time 1. Link your GA4 property to a GCP project In <https://analytics.google.com/ : 1. Admin → Property column → BigQuery Links 2. Create a link → pick your GCP project 3. Data location: pick the BQ region fo…