I use this technique.  Hold at least 25% BTC.  hold at least 25 ETH/LTC.  for ICO, I will use maybe 1 ETH.  When its liquidated, I sell off enough to buy back 1 ETH, then HODL the rest.  I resist day trading as I have lost thousands with the volatile market.  If I didn't work fulll time I might day trade however, it just requires too much time to follow.  Good luck to all, we are just seeing the beginning of the future