When it comes to selling a $20 Amazon gift card, there are several options available. One option is to look for online marketplaces that deal with gift card transactions. These platforms often have a wide range of buyers interested in purchasing gift cards at various denominations.

Another avenue could be to explore local classified ads or community boards. There might be individuals in your area who are willing to buy your Amazon gift card in exchange for cash or other forms of payment. This can be a convenient way to find a buyer close to home.
You could also consider reaching out to friends, family, or colleagues who might be interested in purchasing the gift card. Sometimes, personal connections can lead to a quick and straightforward transaction. Just make sure to communicate clearly about the terms and conditions of the sale.