Amazon.com offers up to $25 off Purchases $50+ for select American Express Membership Rewards Cardholders when you follow the steps below.
link your Amex rewards account to your Amazon account
Once linked/enrolled add $50 or more of eligible products sold and shipped by Amazon.com to your shopping cart
Proceed to checkout & select your Amex rewards card as your payment method, then select the amount of points you'd like to use for the purchase (must use points for at least a portion of your order)
Apply promotion code AMEX16EVER
Up to $25 discount will be applied to qualifying items