Sell Big 5 Sporting Goods gift cards with the GCX gift card exchange. Depending on the popularity of your brand, we recommend you discount Big 5 Sporting Goods gift cards at least 10% off, but ultimately you control the selling price! If your gift card can be used to shop online at Big 5 Sporting Goods, GCX has already checked the e-gift card box below. Please fill out the rest of the listing form to sell your unused gift cards.