When you have an Amazon card worth 15 and want to sell it, there are several options available. One common way is through online marketplaces. There are platforms where individuals can list such cards for sale. These marketplaces attract a wide range of buyers who are interested in purchasing Amazon cards at a discounted rate.

Another option could be to approach local pawnshops. Some pawnshops may be willing to buy Amazon cards, although they might offer a lower price compared to their face value. It's important to note that they will assess the authenticity and condition of the card before making an offer.
You can also try reaching out to friends, family, or colleagues who might be interested in buying the Amazon card. This can be a more personal and potentially straightforward way to sell it. They may be willing to give you a fair price based on their own needs for Amazon purchases. However, the pool of potential buyers in this case is limited compared to the other methods.