As a buyer I have made offers to sellers through SellMyTimeshareNow. They seem to have done a good job of transmitting offers received to sellers. It looks as if it's done automatically.
As with most of those fee listing companies, I get many responses in which the seller indicates that my inquiry is the first and only one they have ever received from their ad. So while they might be burning money advertising on places such as the Today show, I would question how effective that advertising is in attracting real buyers.
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And that's what you need to think about. Are those ads on Today show really designed to sell timeshares? Does you really think that they have decided that the Today show is a great location to find people who are ready to buy a timeshare? Or is the Today show really a better place to find people who have timeshares they want to sell?
I think it's pretty clear that those ads aren't being run to bring in buyers; those ads are being run to bring in more listings. They claim they are using your money to promote selling your timeshare, but they really don't do any sales advertising. They don't promote your timeshare, nor do they use the money to try to interest people in buying resale timeshare.
What they really do is use your money to advertise their company and bring in more listings. They put a thin veneer of sales promotion on it, but when you see the ads it's clear that the ads are really targeted at people who own timeshares and want to sell, with the goal of getting that listing fee.