If you want to be wealthy, then you will have to create a company that solves a difficult problem.
That's the actual secret to huge wealth because a company that solves difficult problems of people will always get attention and it will get so much demand and orders. Let's say if someone creates a company that solves issues of people in their native language then majority of people will buy product of that company and the more buys a product gets the more money owner of the product makes.
These days fat and obesity is a very big problem in most countries but if a company creates something that helps obese people to lose weight and is an effective product then such a product will get huge sales in short time.