If possible (and it’s almost always possible) self serving will bring you a long way. To start a for your nodes (bitcoin, monero) also a web server for your practices on your LAN or with TOR serving an .onion site. A git server for projects… if you are lucky to get a public IP then web server and VPN server. And if you manage to get a reverse DNS a mail server.

On the other hand #mintter and #nostr as (micro)blogging are more resilient