TT has a huge number of different membership plans. Basically, you get to stay in a park for a couple weeks, maybe three and move to a new park or only leave the park for a week and return to repeat. You pay a huge amount of money to buy a first owner membership...thousands of dollars or buy one from a member who no longer has a need for pennies on the dollar. Dues are from a couple hundred dollars a year to several hundred dollars. Your stay at the TT park is free but some do charge a couple bucks a night for 50 amp service...not all, just some. If you are a fulltimer, buying a used membership can be a really beneficial plan for you, for the weekend/vacation RVer, its doubtful it will pay to have it. We fulltime and it is a life saver for us. We spend the entire winter in S CA for free, year after year. We do pay $260.00 for yearly dues. Bought the used membership for $500 about 8 years ago. Three weeks in a park, move to a new one for another 3 weeks and move to another etc....