When the price moves and I find a decent price to buy at.
Yeah and also when the price goes down I buy it and also recommends my friends to buy it when the price goes down.
That is the best way to play with bitcoins, and that is the right strategy to follow, I am sure all of us here are following the same, we all want to become rich in a quick time and want to make some quick profits, and bitcoins allows us to do that.