Amazon (link for reference) offers Discover Card holders a Free $10 Amazon.com Account Credit when you set your default 1-Click Payment setting to an eligible Discover card via the Amazon mobile site or mobile app.

Note, results may vary per customer based on your Discover Card and/or Amazon account eligibility. Promotion open to both Prime and non-Prime Amazon account holders

Instructions:

• via Mobile Web Browser:
  • Click here to see if the following promotion banner pops up: Screenshot
  • Follow on-screen prompts
  • Alternatively, click here to visit Amazon.com mobile site home page
  • Scroll down to '1-Click Settings'
  • Turn 'Mobile 1-Click Ordering' setting to On
  • Add, set or change Payment Method to your Discover Card on file
  • If eligible, a one-time $10 Amazon.com account credit will be added to your account automatically
• via Mobile App:
  • Download & install the Amazon mobile app (iOS or Android)
  • In app, navigate to 'Settings', then '1-Click Settings'
  • Turn 'Mobile 1-Click Ordering' setting to On
  • In 'Shipping Address & Payment' section, add, set or change default 1-Click payment method to your Discover on file
  • If eligible, a one-time $10 Amazon.com account credit will be added to your account automatically