Redeem Promotional Codes - Amazon Customer Service
https://www.amazon.com/gp/help/customer/display.html%3FnodeId%3DGPAU9BCECRXQBFQR
WebTo redeem a promotional code: Follow the deal instructions or go to the Terms and Conditions of the promotion. Add an eligible item to the shopping cart. On the Select a payment method page or on the Place Your Order page of the order form, enter the promotion code in the …
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