Yes, first is to choose smart. After that we have to wait, be patient long time. If you dont have patience enough and good nerves then focus on short term trading. We cant have all same opinion, that is normal thing.
Patience and emotion will always coexist, but these two human natures give different effect. When trader are unable to be patient when the coin price falls, Emotion will rule the mind, so that it can have a bad effect for trader. Experienced traders never have to worry anymore when the coin price is at a low price, because they can control their emotions. When one has put patience in front, whatever they do will have a positive effect on them.