Worth it? The club seems stable enough if that counts for anything.
No, it counts for nothing. With any commercial concern, only a few people know the true state of the finances. Firms that go bust, especially smallish ones, usually do so with no prior awareness of problems on the part of their customers.
Certainly do not pay up-front by cash, cheque, or debit card. If you pay by credit card and the club goes bust, you just might have some protection from the card issuer.