This is too expensive though :( and more importantly, 3 cards is too few cards. How low you think the cost per card can go? edit: elsewhere you quoted $80 for

This is too expensive though :( and more importantly, 3 cards is too few cards. How low you think the cost per card can go? edit: elsewhere you quoted $80 for the base and 3 cards so if that's your target it seems more reasonable. but 3 cards is also too little, maybe a kit with 5 cards is better