I find this notion of abuse for paying and using a
membership that is advertised as an unlimited monthly
membership. Most/if not all of my friends who pay for a monthly
membership to an express tunnel get their vehicle cleaned daily because they truly like a clean car and find the service worth the subscription from a convenience standpoint. I don’t think they are abusers of the
membership and think it’s funny you believe they are. If you don’t like the service or feel all customers are abusers who use it to its fullest then don't offer it if you feel that strongly about it.