Credit Card. When you checkout, you will see a Coupon discount pane just beneath your Billing address information. In the textbox that says Use a coupon, enter your coupon code, and hit Apply.
Google Checkout. After you log in to Google Checkout, you will be taken to an order review page. Just above the checkout button, you will see a pane titled Additional Options. In the textbox that says Use a coupon, enter your coupon code, and hit the Apply to order button.
PayPal. You can not apply coupons to PayPal orders at this time. If you want to use a coupon, please use either Credit Card or Google Checkout as described above.
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