Money is critical to our survival. Having enough of it allows us to have more control over our lives and achieve more freedom to pursue what we really want in life.

However, earning money isn’t that easy. Some people have to endure long hours at work just to earn enough. Others don’t need to spend the same amount of time working but they’re able to earn the same amount of money. And then, there are people who are lucky enough to earn money without doing anything.

If you’re finding that hard to believe, check out these 52 people who made a fortune out of nothing.