1. Lethargy during a sideways market
2. Disregarding your strategy
3. Chasing somebody elses dream
4. Believing somebody elses FUD
5. Using money that you shouldnt be
6. Failing to properly do a self risk analysis before investing
If you can cope with these dangers then this type of investment will do well for you. This is a hands-off, long term method of investing. DYOR, find good coins with bright futures, buy and hold. Dont worry about the daily percentages
Most of the hodlers are losing 70%-99% of their investment because they hold bags of shitcoins. I also lose most of my investment because of shitcoins. It is really better if we will find a crypto that is suits in hodl.