Costco and Amazon both have loyal shoppers who may consider opening one of the retailer's co-branded credit cards. Here's a side-by-side comparison.

CNBC Select's best business card for Amazon is the Prime Business Card. It earns 5% back at Amazon Business, AWS, Amazon.com ...

For millions of people, “I’ll Amazon it” is a common statement. The company that started as a way to buy books online is now a household name where you can buy clothes, electronics and more. If your ...