Sell gift cards securely from Floor & Decor with GCX's online gift card marketplace. Your Floor & Decor gift card will be listed in front of the thousands of buyers perusing our gift card exchange. To sell Floor & Decor gift cards quickly, set the price between 2% and 20% off the original amount. The asking price is up to you, but it really depends on the popularity of Floor & Decor gift cards. Remember, you can adjust the selling price of your gift card at any time.