Over the years TT has sold more types of memberships than you can count, each with different privileges. Since you already know that purchasing used is the best way to go; if you find a used TT membership you need to get the membership number and then call TT direct to find out what that particular membership includes. We purchased a used TT Platinum membership which gives us 21 days in and we can then go to another TT park with no time out. It does not include Mid Atlantic/Outdoor World Elite though,and we only get I believe 10% off at Encore resorts. Also be aware than on resales TT will disallow the freezing of dues, eliminate any cabin packages and anything else they feel like doing. These are no longer lifetime memberships and can be cancelled by either party after 10 years. Their statement is, if you don't agree to it we won't transfer the membership. I feel they are trying very hard to destroy the used membership market by offering the zone memberships.