Do not invest in coin you do not understand, or even see many people make a lot of money from it.
Calculate your investment in electronic money when your investment is not high, which will help you easily cut losses and exit the wrong trading.
Be consistent with your principles.
Be patient and think hard.
I think these are very important advices. In addition to these, I can say that, the traders shouldn't trade with the big amounts, because the prices are so volatile.