I don't think it's wrong to "ask" for money, but it does seem wrong to state that paying $0 is "cheating the system". The implication is that if you choose to p

I don't think it's wrong to "ask" for money, but it does seem wrong to state that paying $0 is "cheating the system". The implication is that if you choose to pay $0, you're doing something devious or unethical.