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.
Well, now it's stupid to invest, although you can replenish your portfolio with some coins at the bottom level. But the fact that many simply trust reviews and demand for it, only by these indicators they choose a coin, and this is a big mistake.