Hello, it's great that you ask such questions. This means that the answer is already there. Continue to act. Once you realize for yourself that you know when to buy. Good luck.
in fact, you put it very interestingly that each of us will sometime understand how to do the right thing. K I think its not worth waiting anyway, but you need to work and develop experience in the cryptocurrency market. Even the wrong actions, teach you that you can not do this in the future. Thus, even a negative experience opens up new opportunities for you.