theoretically, of course you are right, that waiting for the coin price to fall is the most appropriate thing. where to start buying and holding until the time starts to increase, according to our wishes and do to start selling it.
Of course you are among those who can anticipate because of the existing experience, because panic will always happen to anyone even though he also has experience. if you see the situation does not match the predictions that have been made, what makes the difference is the solution to it. where the experienced will not immediately move but analyze again not for the inexperienced, it will take actions that result in losses.