neither early nor late, one must sell regularly when the time is right, not now

Here’s something you won’t hear often, but it’s absolutely necessary to know: you will earn much more by selling your cryptocurrencies too early than too late. Don't be too greedy, it will make you lose.
When you have made profits, do not try to take too much advantage of them: learn to stop and learn to sell. I see many people say, when they have losses on an investment, 'neither sold, nor lost!'. It’s an extremely stupid phrase because it implies that it will go up later when we don’t know, but the most important thing is that it also applies in the other direction: not sold, not earned.