The fact that you need money to make money is right and do a lot of money, you have a lot of resources. A perfect example of this rule is stock. If you know how to play the stock market, but can not afford to spend a Penny, never any money. At the same time, you can never invest money that you can not afford to lose.
Other ways to grow your bank account in exchange. It's a bit like stocks, but it is usually regarded as something more understandable. It also allows you to start with just a small amount of money, while stocks will need a few thousand to start.
The third option is to just buy a ticket. You will have to win one million and a lot of get rich, but somebody has to win, so it could be you time.