How do I link my credit card? Julia February 14, 2018 23:12 Updated Follow Go to the “Credit Card Protection" tab within the Earny app or online Add your price protected credit card by selecting your card issuer Related articles How do I add a payment method? How do I know if I got a refund? What if I have multiple Amazon accounts? Why do I need a payment method? I returned an item before Earny tracked a price drop. How do I mark it as returned? Comments 0 comments Article is closed for comments.