Appoxo

You could limit the firewall to IP range(s) of your domestic (and other places of interest like work) connection.
This way they won't come even close to even logging in.
And then you could do the other hardening on top.

There are still countries other than the US.

lol.
With the current trend I feel like the neonazis AfD will put us right back to Temu-Hitler (Trump) and Putin.

Weird.
Mine is just Anime, vtuber, tech (the good kind) and edutainment (e.g. kurzgesagt, real engineering, ezc.).

Maybe you engage heavily in political content because I mostly avoid it like the plague.

Your questions sounds like a problem obsidian.md and similar solutions could solve.

Great. Now instead of Google, Apple collects your data :)

I set mine up with Authelia 2FA and restricted media deletion to one user: The administrator.
All others arent allowed to delete. Not even me.

You mean "Have I been pwned"?

How do you reply to those emails in case of needing to contact with said company.
I'd assume they would deny service if the user (even on the same custom domain) is not equal to the account holder.

Veeam community edition is fine for most things.
If you are cheeky, generate yourself an NFR license on their website.

Edit: Veeam plans a Linux version for VBR 13.
Veeam Agent can run stand-alone on both Linux (only specific distros are actually supported. Non-supported might work) and Windows

Using Veeam.
It's whole purpose is doing backups from small deployments up to the datacenter level.
Might be worth taking a look.
And the documentation is very good.

Arent there nv-ram dimms using a sort of hybrid?