This is the first time I’ve heard of mTLS. Sounds interesting, any tutorial recs?

Just myself, but I would like to keep it synced between my phone and my laptop while also keeping a backup.

For the VPN, check out gluetun. Route your torrenting client container through this to funnel all the traffic through a VPN of your choice. I use this for my server.

Much less bots and reposts. I feel like there’s less content, but it’s more real than I what I experienced on Reddit for example

Kind of similar, I use Joplin which uses markdown syntax. Then I back that up on a monthly basis to my server manually (just a copy-paste over NFS)