where do cryptocurrencies get their value, Knowledge

So many times, retail investors earn small amounts.The more positions we add, the more we will lose.First, what is the silence cost?

Then turn it off, it doesn't matter,This is called the cost of silence,In fact, a stock, if it changes direction downward.

But if it's trapped,It is possible to trap ten points, twenty or thirty points,So many times, I will make very little money and run away.