Before getting Prime Rewards you must have a prime account and also an eligible prime member as they can get 5% off at Amazon.com with no credit card annual fees. Reward may vary according to your payment choices like if you are paying via debit card then you will get extra advantage for Prime Rewards. If you want to know more about Prime Rewards, you must dial Amazon Prime Customer Service Number 1-844-545-4512. For more information visit us: http://www.amazonprimecustomerservicenumber.com/