If you ever want to change servers you can move your Mastodon account to a different Mastodon server. There's a step-by-step guide to account transfers at:
➡️ https://fedi.tips/transferring-your-mastodon-account-to-another-server
Moving lets you keep your followers, follows, bookmarks, lists, mutes and blocks. Your old account's posts remain intact on the old server, and (if you follow the guide's instructions) they redirect people to your new account.
