Shark Tank investor Mark Cuban has a stark warning for people who want to leave their jobs to start a business. In a segment where he answers questions from Twitter, Mark sat down with Wired.

Shark Tank investor Mark Cuban, who will be gracing the show for the last time in season 16, does not believe in the concept of mentorship.

Shark Tank has provided a platform for many an American dreamer but Mark Cuban now seeks to throw a wrench in the plans with ...