Going for 70 now. Bought 67 so far and it cost me a mint. EDIT: Levels are coming really fast. Might get 67 tonight. EDIT2: Done for today. That was really quick.
That's the loot from 10 high level gambles at BA. (30 points and queen kill.) I could've made about 600k more if I spent the points on granite plates. If you get a chain in around every 100 gambles it would be worth it.