If you've got $25,000, $50,000, $100,000, you're better off paying off any debt you have because that's a guaranteed return.
Mark CubanIf you can, you will quickly find that the greatest rate of return you will earn is on your own personal spending. Being a smart shopper is the first step to getting rich.
Mark CubanKnow your stuff. Have an angle. Know how to grow business, how to develop products, have patents and an undeveloped market that could be huge.
Mark Cuban