Additionally, if your server disappears *cough* VLemmy *cough* you should be able to load a backup from somewhere and register your channels on another server. I realize this is still a crawl-walk-run scenario and that’s going to be far in the future. But we can still hope for it.
I’d say go for it. Even if you don’t make a lot of content right away, you can still get a feel for how Peertube works, how to set up your channels, add thumbnails, how to automate closed captioning, etc.
Plus the hardest part will be choosing an instance, looking at the videos posted and seeing if you want your videos on that instance (extreme politics, NSFW stuff, etc). Plus see what their instance rules are; anyplace that says everyone is welcome here is eventually going to become a gathering spot for a–holes that got banned somewhere else.
I started my channel about a month ago during the Reddit migration. So far I’ve fallen behind on putting out videos, but it’s still a fun hobby.