Yes, if you want to get wealthy, know how to solve people's problems. By doing this you have to find solutions to very tasking problems that a lot of people face.

First and foremost you have to identify the area or niche you will engage in, and this area should be an area you have passion in.

You also have to work on a system that allows you to focus on  growth while the system runs itself to generate money even in your absence. Automate processes to maximize efficiency  and also ensure you diversity and create other avenues of making money that may be a fallout  from your primary source.