If you have a coupon or discount code, it goes into the shopping cart early in the process - on the Shopping Cart page. Here's an image of the page with the Discount Code section outlined in red. Once you enter your coupon code, press the button Apply Coupon. It will adjust your subtotal accordingly. If it's a percentage discount, each time you add an item, the discount amount will be automatically adjusted.

Where to Enter Discount Codes

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