This offer comes around from time to time. With this one you can score a free $10 Amazon credit when you change your 1-Click default payment to an eligible Discover card. Check this out to see if you are eligible here. 

It’s easy. For a limited time, when you set your Discover card as the default 1-Click payment method at Amazon.com, you will receive a $10 savings on your next eligible Amazon.com purchase made on or before October 31, 2018. Restrictions apply, see below for details.

Amazon Free $10 When Change 1 Click Payment

TERMS AND CONDITIONS

This offer is available only to customers who were served an advertisement or received an email for the 1-Click default payment promotion and only applies to purchases made with an eligible Discover Card. Complete the following actions to claim the offer:

1. Click on the ad promoting this offer.
2. On the 1-Click landing page, sign in to your Amazon.com account. If you do not have an Amazon.com account, you can create one for free at www.amazon.com.
3. Change your 1-Click default payment method to an eligible Discover Card.
4. When prompted, ensure your Discover Card’s billing address is accurate by either confirming your billing address or adding a new billing address.
5. The credit will be applied to your Amazon.com account.
6. To redeem the credit, make subsequent eligible purchase(s) with your eligible Discover Card.

Happy Shopping!