tl;dr how can you pay toward a billing cycle if a statement hasn't even been printed yet? More on reddit.com

I agree with the original post. The wife and I just sat down to go over our budget again. We began a debt snowball recently which projects the mortgage, everything, will be paid off in just under 10 years. Guess which account is the first to be knocked down in the snowball? Carecredit. We still owe $1490 on that "card" which was used for our son's dental bill. I'm glad I was paying attention to the terms because it goes to a whopping 26.99% interest rate if not paid off by December. THAT's where the hidden fees are in Care Credit. Not really hidden..but they do profit from human nature and the realization many (most?) won't pay off the card in time. More on reddit.com

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Personally I disagree with the other poster. I don't see any problem with closing it. If it's your only credit account I'd apply for a card before closing. Edit to add: it seems like you only opened the account this year, so it while you lose some credit score from closing it, it's not worth the effort to keep it open (pretty sure it can only be used for medical expenses). If you don't actively use it it will eventually close from a lack of activity. More on reddit.com