It is popular, but everyone decides what kind of token to buy, maybe someone likes instability for making good money on it, there are a lot of options here.
Investing refers to risky operations, and investing in cryptocurrency is considered highly risky. Therefore, you need to be not just a smart and risky person, but also very lucky.
Just attentiveness and a good study of the project, but also can not do without luck, although probably the experience is much more important than just a blind persons luck