I think that is very risky when it comes to any kind of the currency or items, not only Bitcoins.
Exactly, as there is no 100% assurance that your money invested from here will gain profit because a single mistake is just a lost of everything. Just a half of your money is enough to invest In bitcoin. In fact not all investment are failed, sometimes it happens but not all. Investment is just an earning strategies that most of us are being practise.