FreeSoftware Ganoo

Hopefully there’s some level of encryption possible.

I’ve been using Graphene since the pixel 4a, have never considered going back. It works wonderfully.

That definitely used to be the case, but I haven’t had any connection issues in the last year or more.

Yes

Paying for a Nextcloud provider would likely solve most of your issues. You can run a lot of services within nextcloud itself using addons.

For video streaming I use kodi+seren+real-debrid. This doesn’t provide local copies, but I don’t really need any. It’s not hard to set up.

edit: https://github.com/nextcloud/providers#providers