Amazon is running a promotion for Prime members where you’ll receive $5 Amazon credit automatically added to your account if you purchase an Amazon gift card of $25 or more. Simply add either a Digital or Physical Amazon gift card to your cart and enter promo code GCPRIME18 at checkout. After you enter the promo code, you’ll see a “Qualifying offers” box appear on the checkout page informing you that you qualify for the promotion. A $5 credit will be applied to your Amazon account within 2 days. You may send a $25 digital gift card via email to the same address you use with your Amazon account if you want to simply get earn the free $5 credit and use the $25 gift card yourself. If you shop on Amazon regularly, this deal is essentially free money.