1. It will be just as easy to sell your cards in a continuity program, as to sell them individually. Put together a program where your customers are
sent a certain number of cards/month, automatically.
2. Approach a sports magazine and offer to host a club in their name. Guarantee their hard costs for advertising, along with a percentage of sales.
Magazines are hesitant to do PI ads (per inquiry), but may want to do business with you if you guarantee the hard costs.
Baseball Cards