When it comes to selling an Amazon card worth $75, there are several options available. One possibility is to look for online marketplaces that deal with gift card exchanges. These platforms allow users to list their Amazon cards for sale and connect with potential buyers. However, it's important to be cautious when using such platforms as there may be risks involved, like fraud or unfair pricing.

Another option could be to approach local pawnshops or second - hand stores. Some of them might be interested in purchasing Amazon cards, especially if they have a customer base that values the convenience of using Amazon for shopping. But you might not get the full face value of the card when selling to a pawnshop; they usually offer a discounted price.
You could also consider asking friends, family, or colleagues if they are interested in buying the Amazon card. This can be a more personal and straightforward way of selling. There's no middleman involved, and you can potentially negotiate a fair price based on the card's value. Just make sure to have a clear agreement to avoid any misunderstandings.