If you find yourself with a $30 Amazon gift card that you no longer need or want, there are several options available for selling it. One option is to sell it on an online marketplace. There are various platforms where individuals can list their gift cards for sale. You would need to create an account on the chosen marketplace, provide details about the gift card such as its value and the fact that it's a $30 Amazon gift card, and then wait for potential buyers to express interest.
Another way is to consider selling it to a friend or acquaintance. Perhaps someone you know is an avid Amazon shopper and would be willing to purchase the gift card from you at face value. This can be a convenient option as it may not involve any additional fees or the need to deal with an unknown buyer. You can simply approach them and offer to sell the $30 Amazon gift card.
Some local pawn shops or second - hand stores might also be interested in buying Amazon gift cards. However, they may offer less than the full value. It's important to do some research beforehand to find out which ones in your area are known to deal with gift cards and what kind of prices they typically offer. When selling to a pawn shop or second - hand store, be prepared to negotiate and understand that they will likely take a cut for the service of reselling the gift card.