The resale value of a timeshare is often significantly less than the original retail selling price. For a points-based timeshare, between 40% and 60% of the original sale price is often attributed to marketing and overhead. In other words, a "used" timeshare is often worth only about half of the original cost. However, the value of a timeshare will also depend on the resort, and you can try to research the value of your timeshare on the Internet. In addition to eBay, there are reputable...
If you purchased the timeshare in Mexico, you can try contacting the Mexican consumer protection agency, PROFECO. Information about PROFECO is available on the Internet at http://www.profeco.gob.mx.
Any restrictions on sale of your timeshare (whether deeded or right to use) would be stated in the governing documents for the timeshare company or resort. Generally, a complete restriction on resale would not be enforceable since it would constitute a “restraint on alienation,” which is against the strong public policy in favor of the right to freely sell property. It is possible, however, that the governing documents contain restrictions that do not completely prohibit a sale, but set up...