Writing, writing and writing.  The fourth would also be writing.

Producer, one time on-air reporter (never again).

As a producer at ATVN I had to manage a team.  Let's just say teamwork was never my strong point.  I had to reel in my temper, evaluate peoples' strengths and weaknesses in order to properly assign tasks and eat some humble pie from time to time.  I was working in a "real world" job while producing at ATVN, but I was a peon.  Learning how to write, encode and edit is important.  Learning to manage, however, is how you get the really good jobs.

Learn how to do everything.  More doors will open up for you and you will eventually make more money.    

Do not oversell yourself.  Employers are looking to invest in talent when they hire a young journalist.  Don't act as though you know everything.