Converting an Amazon card to cash is an idea that some people may have. However, it's important to note that Amazon strictly prohibits the unauthorized conversion of its gift cards into cash. Gift cards are designed to be used within the Amazon ecosystem for purchases of various goods and services available on the platform.

Engaging in any attempt to convert an Amazon card to cash goes against the terms and conditions set by Amazon. Such actions can lead to serious consequences, including the invalidation of the card and potential legal issues. Amazon has put in place security measures to prevent and detect any misuse of its gift cards in this regard.
In conclusion, while the thought of turning a 15 - dollar Amazon card into cash might seem appealing, it's not a legitimate or advisable practice. It's best to use the Amazon card for what it's intended - shopping on Amazon to find the products and services you need.