p.s. If you're wanting to avoid having to make threads, you might want to check out this list of well-run reliable servers that allow posts to be longer than 500 characters: https://fedi.garden/tag/larger-post-size
If you're considering moving your account to another server, there's a step-by-step guide at https://fedi.tips/transferring-your-mastodon-account-to-another-server
