I almost asked this exact question today. I installed Ubuntu (Studio) for the first time and almost immediately needed to do some CLI shit because there's no GUI option to enable jumbo frames. I don't want to learn CLI. I just want to escape Windows.

what?

If you're one-way syncing your camera files to Dropbox for safe keeping, you don't want to leave a way for them to access Dropbox.

This. One-way sync to a home server/NAS or secure cloud storage that is not logged into on your phone (e.g. if you sync to NAS or a cloud service, don't be logged in on other apps/web).

if your phone is taken while filming, it Won't upload until it's done recording. The agents will probably hit stop, then delete. you'd have to do some testing to see if that will stop the sync.