Amazon is running a promotion where you will receive a $10 Promotional Credit when you purchase at least $50 in Amazon gift cards. Follow this link here to see if you qualify. If you qualify, you’ll see the promotion details at the top of that page. Those who don’t qualify you will see a message stating “Thank you for your interest in Amazon.com Gift Cards. Unfortunately, you are not eligible for this offer.”
You can purchase a single Amazon gift card of at least $50 or multiple gift cards equaling at least $50 total by July 31st to receive the $10 promotional credit. The credit will be emailed to you by August 15th as a code which you enter during the checkout process of a future purchase.