Many people look into ways to sell American airline miles to turn unused rewards into cash. However, American Airlines clearly states that its miles are meant for personal use only. Selling miles goes against the program’s rules and can lead to penalties if detected. This does not mean people never sell miles, but it does mean that understanding the rules first is extremely important before making any decision. Why Rules Matter More Than Value When Selling Miles Airline miles are something about which people talk, and they generally do so in terms of value. Basically, people will want to know about the worth of their miles in terms of the cash they yield against their sale. Though value is surely important, the wisdom of the rules should be given even higher priority, as ignorance can turn this seemingly simple process into a difficult situation. Airline loyalty programs are not banks, and miles are not regular money. They exist inside a controlled system where the airline decid...