when you do trading, do you always think about this, "buy some, sell some, hold some."
We should set a perfect plan to do this. Because investing always requires a complete plan to get the best possible portfolio. theory "buy some, sell some, hold some." will be in the plan.
We think of buying, sell some and holding some when we do trading. Usually it is part of our plan to do some techniques on how we can earn profit from crypto. So actually it is our own decisions on what to do with our coins we invest.