the fourth and fifth points are often the cause of new investors or newbie's losses. Fomo, hype, etc. make the newbie panic and want to join without thinking about the long-term effects on the investment chosen. easily provoked with big discounts, and easily influenced by people's assumptions that are not necessarily right.
because they do not understand the crypto ecosystem, often the level of security and important keys are not managed properly, this must be understood first. do not let your money disappear because of carelessness.