Just make sure you are ready to wait long in time of wrong decisioning in choosing coins.
There is always risk but there are also big chance of profiting.
How do you like the latest news dedicated to CHia coin? People were buying HDD for crazy money and now they're crying as rates felled 3 times and it's impossible to reclaim their investments anymore. I was right when I've chosen Crypton mining, where only internet connection is needed and no additional supplies.