If you decide out, the FTC recommends you send a letter via licensed mail or hand-delivered with a signed receipt. In addition, make certain to keep records of any correspondence and who you talked with, the FTC says. If you wish to trade to another resort, you have to know 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 subscription and exchange costs. And even then, you're not ensured of getting the exchange you desire. Even reserving time at your own timeshare can be hard given that many timeshare resorts are moving away from fixed times.