When you have a $50 Amazon gift card that you no longer need or want, there are several options available for selling it.

One option is to look for online marketplaces. There are various platforms where people can list and trade gift cards. You can create an account on these marketplaces, provide details about your $50 Amazon gift card, and wait for potential buyers to make an offer. Just make sure to read the terms and conditions of the marketplace carefully to ensure a smooth and secure transaction.
Another possibility is to check with local classified ads or community boards. Some people in your area might be interested in purchasing the Amazon gift card. You can post an ad describing the gift card and its value, and provide contact information for interested parties. This can be a convenient way to sell to someone nearby.
You could also consider reaching out to friends, family, or colleagues who might be interested in buying the gift card. They may be able to offer you a fair price and it can be a straightforward transaction without the need to deal with external platforms. However, it's important to ensure that the exchange is done in a proper and honest manner.