If you choose out, the FTC recommends you send out a letter via certified mail or hand-delivered with a signed invoice. In addition, be sure to keep records of any correspondence and who you talked with, the FTC states. If you wish to trade to another resort, you have to understand how to do so.Otherwise, you'll need to go through an exchange business RCI is the most prominent where you'll need to pay additional membership and exchange costs. And even then, you're not ensured of getting the exchange you want. Even reserving time at your own timeshare can be hard considering that many timeshare resorts are moving far from fixed times.