the modern world does this, making money with money, if we had the money then to develop it into a more convenient than have skill because it must be depends from work.
It's not the modern world, there are still people who loves to play safe and only few of the entire population who are wiling to take bigger risk.
You make money from money if you are an investor and that means you are taking risk, the bigger the risk the bigger the reward.
By simply holding our bitcoins, that is already an act of investment and we all hope the value will increase so our money will grow and we can make profit.