Is good to have multiple accounts, you can also do a backup of your posts an migrate on a different istances.

Here is some useful information for people wanting to move instances. For a list of instances, along with with stats for those instances:

fedidb.org/software/lemmy or lemmyverse.net

Also, tools for migrating instances:

github.com/CMahaff/lasim (easy) - Latest Version Download (just select your OS type and run the program)

github.com/wescode/lemmy_migrate

github.com/Ac5000/lemmy_account_sync

All credits to @Fish@midwest.social x the info