You don't need to use other people's servers on Mastodon or the Fediverse. Anyone can set up their own server, even non-technical people. It's much easier than you think, and much cheaper too.
I run a website helping non-technical people create their own servers at https://growyourown.services and you can follow its account at @homegrown
There are many Fediverse server types you can set up without tech knowledge:
https://growyourown.services/grow-your-own-social-network
There's also an in-depth tutorial about making your own Mastodon server without tech knowledge, and most of it applies to any kind of Fediverse server:
https://growyourown.services/making-your-own-mastodon-server-in-10-steps