What are some ways that people become rich, or that you have attempted to become rich, or somebody you know?

My cousin has founded more than one business since graduating from business school in university, and one of her earliest projects was to print custom t-shirts with a fellow classmate whose boyfriend's father owned a t-shirt printing business.

That was an idea she had around 23 years ago, when she was half way into her first degree, and had not yet gained Wall Street credentials in hedge fund management.

I know a doctor who makes $300 an hour painting portraits of animals when he comes home from his medical job at work.

What are some ways that people become rich, or that you have attempted to become rich, or somebody you know?
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