You don't. They suggest you do. You can simply print out the tickets and mail them in. (But kind of a sleazy thing to do for a nonprofit organization.) I don't think you can enter on line without a donation.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.