When my portfolio has risen about 50% i take out 10%. (5% in euro wallet and 5% in new ICO's)
For me my strategy is to join some campaigns and then hodl the coin that I have then I used some of my coins for trading and some for my family expenses, then for reinvesting coins in the ICO. I do not only used the coin in one purpose I divided it. Cause if I just used it in only one maybe I will regret of not doing it to my coin.