Advertising service? Should be called Rip-Off Service. A fellow by the name Josh called my wife with "an offer" of $18, 500 for our Mexican Timeshare....an urgent matter that this timeshare was a "most wanted, in high demand". I step in and ask for the written offer for my legal review and Josh heads for the hills! Why? Because I call his game. There never was an offer and these guys don't like the word "legal"! Now people would you pay an agent listing fees and sell your house with no written offer on the table. come on Josh. get real. your just another timeshare scammer!