Sundance Vacations Sweepstakes 0 Up Down By Anon (not verified) on Fri, 04/17/2009 - 9:30am. If you entered the Sundance Vacations sweepstakes with the hopes of winning the grand prize but NOT with the express intent of inviting relentless telemarketing calls bordering on harassment, and you have been the recipient of uninvited or unwelcome telephone calls and are registered on the federal or state Do Not Call lists, you should call the FTC at its toll-free hotline at: 1-888-382-1222; or you should call the specific state in which... read full review »