When you have an Xbox Live gift card worth 15 and want to sell it, there are several options available. One place could be online marketplaces. These platforms allow you to list your gift card for sale and connect with potential buyers. You need to create a detailed listing, including information about the card's value, its authenticity, and any terms or conditions. This way, interested parties can easily find your listing and make an offer.

Another avenue is through local classified ads. You can post an ad in your local newspaper or on community bulletin boards. This might attract people in your area who are interested in purchasing the gift card. Just make sure to include clear contact details so that they can reach out to you.
Some gaming communities and forums also provide a space for selling and trading such items. You can join relevant groups and post about your intention to sell the 15 Xbox Live gift card. Other members of the community might be interested in buying it, and this can be a good way to find buyers who are specifically into gaming and are likely to value the gift card.