Headscale is a locally hosted version. You can also just manually do wire guard. But tailscale is just a management tool for setting up an overlay network using wire guard.

End user management.

Essentially, accounts and passwords are not my problem.

Setting up a server? Pretty darn easy.

Teaching all your friends and relatives to figure out what app to use and login with your dyndns random entry or IP address. Or even more difficult, using VPN.

It’s not the hosting that’s hard. It’s the watching for non-tech people.