Are you required to pay taxes and maint fees if so than yes this may effect your ability to sell the timeshare. If not then there you can either list with the company you have your timeshare with or do it on ebay list on craigs list or utilize the service of an organization that will help you sell your timeshare. You can do a search on google and find a company that will help you. Make sure you research the company and be aware of any fee's they may charge you for assiting you.