The upgraded co-branded Amazon credit cards, issued by Chase, now boast new names, designs and, most importantly, benefits.

Just in time for Amazon Prime Day, here's how to earn 4% cash back when shopping on Amazon with the new Wells Fargo Attune credit card.

If you buy a lot of books for your Amazon Kindle, you may be earning rewards points, which you can use to buy even more books. The to-read pile could never end.