The reason why investors often lose money; as a novice, I summarized the experience in trading:
Besides those four reasons, I think that there are also some other reasons why often losing money when investing in cryptocurrency:
5. Don't know enough what is invested in at that time because only following any hype
6. Doesn have any target of price or range of period to take profits
7. Some greediness
8. Investing but too panic when the prices fall down