Best practice is always self custody, but for small amount and testing custodial is fine to get started. You’ll find that most people here are Bitcoin Maximalists (nice ones), so there will not be a lot of help offered for non-Bitcoin things.
Discussion
Bitcoin is also cool! Maybe in future there will be more diverse community of ai art, ethereum and other technology people. I hope vitalik will create an account here because his mainly-twitter posting make me a bit worry