First you need to link your AMEX Membership Rewards account to your Amazon account (if you haven’t already). Then click this link to see if you are eligible for this promotion. Add $60 or more of eligible products sold and shipped by Amazon.com to your shopping cart. Proceed to checkout and select your American Express Rewards Card as your payment method. Then select the amount of Membership Rewards Points you’d like to use for the purchase (must use at least 1 MR point) and your $30 off $60 discount will be applied at checkout.