Need expert advice please

For the last couple of years now I have been creating what I call Software Cards.These are just cards I create and print from my computer and cut out.(Two cards per sheet of card stock.)In side the card I put a 31/2 disk with a small software program or some interesting utility I find that's free online and download it to the disk. I give them as Christmas cards or Birthday cards,etc; Everyone seems to really enjoy the idea of getting a card with a gift included.My question for the expert marketers here is How could I turn something like this into a small home business?
I would appreciate all advice and suggestions.
Best regards,
James
p.s. Michael Ross and Dien Rice!
You might consider this idea for one of your The Great Ideas Letter. Which I do subscribe to.