How to use it
Set up key events (signups, purchases) so you can attribute conversions to channels, build an exploration report to see which landing pages have the highest drop-off, and check the acquisition report monthly to rebalance channel spend.
Smaran's take
GA4's event-based model is more powerful than old Universal Analytics, but the learning curve is real — budget time to set up key events properly before trusting the reports. — Smaran