We bought our first contract,150 pts, then VERY quickly bought a 50 pt ad on The ad on was actually at a different % rate, so it would have been more cost efficient to purchase all at once! Also, when you look at the Concierge level, although it cost more points, we would never spend the cash to go to these BEAUTIFUL places, but we will certainly use our points for very DELUXE vacations! We plan nice trips now! (BTW, we also own 3 other timeshares also)