Big gains gets ended with big loses. This is all because of the greed the users have upon the earning. Without understanding the market people used to come up with decisions and the same never becomes effective. This leads to drastic loss unexpectedly. Better is to analyze the market as much possible to avoid losses.
You have a point on that mate. Actually, to have a losses is just normal since the value of crypto currency are so volatile in which anytime cwn decrease its value as the time you will trade your coins. Also, experience is the best learning since each and everyone of us must able to learn our mistakes here in crypto currency community.