Hello; Sounds like a plan on the future betta. I have kept them in community tanks before and found that they were the ones getting nipped by other fish. You may want to remove the divider when you will have time to keep a close eye on things. Thanks for the vote of confidence, but do not fail to question advice from me of anyone else. Think about it to see if it makes sense to you. Also there are several other forums and sources of information on the internet and hidden in books.