If you opt out, the FTC advises you send a letter through qualified mail or hand-delivered with a signed receipt. In addition, be sure to keep records of any correspondence and who you talked with, the FTC states. If you desire to trade to another resort, you have to understand how to do so.Otherwise, you'll have to go through an exchange business RCI is the most prominent where you'll have to pay extra membership and exchange fees. And even then, you're not guaranteed of getting the exchange you desire. Even scheduling time at your own timeshare can be tough given that lots of timeshare resorts are moving far from set times.