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Know your stuff. Have an angle. Know how to grow business, how to develop products, have patents and an undeveloped market that could be huge.

"Shark Tank's Mark Cuban talks making deals and beating the shit out of people". Interview with Kenneth Arthur, www.avclub.com. September 22, 2015.
Know your stuff. Have an angle. Know how to grow business, how to develop products, have patents and an undeveloped market that could be huge.