How notifications and digests are delivered

Solid breakdown. The only thing I would add is to back up before making the change — better safe than sorry.

Strong agree. Good defaults beat a wall of toggles every single time.

I respectfully disagree on one detail. In my setup the opposite held true, though I suspect it comes down to community size.

We ran into the same situation last quarter. What worked for us was starting small and only adding complexity when a real need showed up.