After reading it till the end he has given some suggestions, his mistakes as a advice for others. This is what happens when you are not proficient enough of what you are doing. He says that he was profitable but not sell them listening to others. This is lack of home work & basic theory of being greedy while you are witnessing a huge green candle. People are fallen in unrealistic trends in a minute where they need education. Studying in schools for 12 or 13 years to be eligible to come as a complete personality. But in investments? Where are we? Due to failure of a wrong practice we shouldn't underestimate the value of the Crypto Currencies. Don't be a trap of others. Learn well before doing anything.