To use your gift cards online: 1. During checkout you will reach the Payment Method screen 2. Select Gift Card 3. Add a new Gift Card or apply those already saved 4. As cards are added, you will see them appear in your Purchase Summary 5. If your order total is less than the amount on your Walmart Gift Card, the remaining amount will be available on your card for future purchases. If your order total is more than the amount on your Walmart Gift Card, you will need to pay for the balance with additional gift cards or a credit/debt card.