4 Rules to be a Millionaire by Mark Cuban. “When you know your s**t more than anyone in the room"
Rule #1: Be Great at what you do.
Rule #2: Be able to Sell. Make sure you are not overly dependent on others to do the selling. You still need to be Directing the Sales team, and do some of the selling yourself.
Rule #3: Be Curious, Always Learning. Business changes everyday.
Rule #4: It's time to start your company or partnership when you know your s**t more than anyone in the room, and you follow the first 3 rules.