yes it is always risky to invest all your money in trading or bitcoin ..
Well it's risky or nor not its something different he important thing is why would spend your all money to invest its not a good idea and Im not agree with this even billionaire are not going to spend there all money and to be honest with you bitcoin is full of good qualities and starting investment with little amount of money its also one of the good quality so bitcoin is totally safe and sound for investments and start from little amount.