Started investing in coins since 2014, holding popular coins (btc ltc eth) can make profit a lot, trading alts can do profit weekly if u have time. Most profit  before summer 2018 u can get from , Iota , monero, dogecoin, and firstblood > coin that will be main transaction in e-sports world, this is probably best coin worth investment since is young and esport is growing like ebola, probably 200% rise till end of year  jan-feb 150% in price down , then rise again 400-600% before july.