If you have a $75 Amazon gift card that you want to sell, there are several options available.

One option is to look for online marketplaces that deal with gift card transactions. These platforms often allow users to list their gift cards for sale. You can create an account on such a marketplace, provide details about your $75 Amazon gift card, and set a price. However, be cautious when using these platforms as there may be risks involved, such as fraud or dealing with untrustworthy buyers.
Another possibility is to check with local pawnshops or second-hand stores. Some of them may be willing to buy Amazon gift cards, although they might offer a lower price compared to their face value. It's a good idea to call ahead and inquire about their policies regarding gift card purchases before visiting.
You could also consider reaching out to friends, family, or colleagues who might be interested in purchasing the gift card. This can be a more personal and straightforward way of selling, and you may be able to negotiate a fair price. Just make sure to handle the transaction securely and ensure that both parties are satisfied.