How do I go from an amateur skateboarder to being a pro-skateboarder?

How do I go from an amateur skateboarder to being a pro-skateboarder?

Tony Alva (Pro Skateboarder) gives expert video advice on: How do I go from an amateur skateboarder to being a pro-skateboarder?; How many skateboarders turn pro every year?; What kind of money can a pro-skateboarder make? and more...