What I found is that getting long cheap toriboosters is better over long periods of time during a time when you're busy, and a big toribooster for a short time is best when you have all the time in the world to play. During winter break I bought a 200 toribooster and was able to play a lot. But if it was during a school time it would have possibly been a waste of money. What I'm saying is, if you are semi-busy, buy a cheap one for a long time, if you have a lot of time, buy a big one for a short time while you have time.