The share of luck is clearly there, in any case, as many people say, very successfully invested funds in due time, but attentiveness to the project should also be
I always try to study as much as possible the project itself, the project team and what they are doing. I also look at how competitors react to the project, what they say and write. On the basis of all this, you can add an idea about the prospects of investment in the project.
You are doing absolutely right. If all investors approached the issue so seriously, then there would be no point for scammers to enter this market!