It is not that risky. But it is wiser if you are to exchange your money or buying bitcoins using your money.
Indeed before investment proper knowledge should be gained along with proper guidance. Secondly the decision making power should be strong and try to get enter into some promising projects. Yes it is acceptable matter that fluctuations do come but all you need is to be keen and wise about what you want to do.
With everything both of you said dude, it is risky. Every experienced investor would tell you that it's not enough to be prepared, you have to always have a fall back in case things go wrong. If you place all your money in btc and it, for some reason crashes, then you're in deep trouble