Exchange gift cards for cash when you sell Burger Monger gift cards on the Raise online marketplace. Try setting the selling price of your Burger Monger gift card to at least 5% less than its current value in order to maximize your return, but ultimately the choice is yours. The higher discount you provide, the faster your gift card will sell. Burger Monger gift cards make great holiday presents, so list your item on our gift card marketplace now while demand is high!