If everyone you email use gmail

Using encrypted mail like Mailvelope helps. If they refuse to stop handing everything to GAFAM in any way, they’re really not worthy of private communication.

Degoogled not as in “Disable and remove Google components” or “Using Samsungs (or whatever) services instead of Google” but degoogled as in “Operating system built from the ground up without google components ever built in”.

The only one I have a hard time leaving is YT

Subscribe to YouTube channels through RSS, view content through a front-end or FLOSS apps. It goes a long way.