While this sounds cute, I'm not sure what the incentive is for anyone to actually buy something they wouldn't have, or pay more than they otherwise would. Maybe

While this sounds cute, I'm not sure what the incentive is for anyone to actually buy something they wouldn't have, or pay more than they otherwise would. Maybe it'd be more fun to participate if the idea were very clever. This seems about as witty as dressing up as a "non-participant" for Halloween.