...well, if you collect slot cards. Since I only collect room keys, it's something that I use for trading.

I thought it important to point out that the cost of the incentive wasn't incurred by the club, but rather it was members doing something for other members. If a member of the wanted to send out casino chips to all other members, I'm certain the club would find a way to facilitate that, such as providing the addresses of members that chose to publish this information when joining.

Jim