First of all, do some investigation, research some coins and decide on your own wich projects have in your opinion are worth your money. Buy and HODL.
One should note that the Market is Volatile. it is unpredictable, But it is a good time to Buy Coins for investment. the price value is low, the market is on the correction after the down stream from the previous months. some expert follow this simple principle...BUY LOW and SELL HIGH..