I believe there are two deals here, first is the membership in the travel club, which is only free for the first 30 days, and then in the second paragraph:

Also included will be information on the participating resorts, minimum night stay requirement and the published rates of these hotels (depending on where you stay, rack rates range from only $119 for standard accommodations to $345 for luxurious accommodations.)

This appears to be one of those get free tickets only if you stary at one of our places at our very inflated rates for the time we say deals. Note too you can not use the free hotels with the free airfare trip.

I would believe that by the time you were done you be able to get a hotel and airfare for less then you would have to pay for the hotel to get the free airfare.