What are some of the worst mistakes people make in crypto trading or investment ?

there are few mistakes that people make.

1. They jump into some coin without any research.
2. At times when price of a certain coin has already taken considerable price hike, people opt to buy that coin.
3. They invest all their money in one coin.
4. They put all their investment at once and not make some plan for contingencies.
5. Patience is another important factor, people got panic and make wrong decision.