Risk is associated with all kind of investment. Somewhere it is high, somewhere low. So bitcoin investment also has some risks which is to take for making a handsome profit.
Yes, you are right, not only in investing have risk but also in real life is full of risk cause you need make a decisions sometimes to make you lose. Investing in bitcoin you need to be brave and confident to face all risk cause the price of bitcoin is unstable it takes time and patient to wait before you gain a high profit.