This one was simple: just buy an Amazon eGift Card of $50 or more and use the code THANKYOUGC21 at checkout. When you did, you got a $5 Amazon credit! Like the other Amazon card promotions ...

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The e-commerce giant is giving away a $5 credit to Prime members who buy their mom $50 in Amazon eGift cards by Mother’s Day, which is on Sunday, May 14. To apply the offer to your account ...