Honestly, although we have learned much about crypto trading and we have analyzed it very carefully, it will not guarantee that we will not lose at one time. But, yes it is true that it may decrease the risks of losing.
I also agree with some points that you have written above, moreover about this:

Additionally, there are also some other aspects to cosndier. They are about your management and control of your money and also emotions. Sometimes, bad emotion can break all of good strategies and knowledge