CNN Underscored Follow CNN Underscored CNN Underscored is your guide to the everyday products and services that help you live a smarter, simpler and more fulfilling life. The content is created by CNN Underscored. CNN News staff is not involved. When you make a purchase, we receive revenue. These are our favorite store credit cards for 2021 By Jennifer Yellin PHOTO: iStock (CNN) — Have you ever been standing at the checkout counter of your favorite retailer when an employee asks you if you want to apply for their store credit card? You may have wondered whether or not you should take the plunge, even if you were likely looking to get in and out of the store quickly.