Writing is easy! Oh wait... it isn't.
I imagine those are the first things a beginner says when he/she first tries to write, and realizes it's not peaches and cream.
I myself am very much an amateur writer, i have the basics, but there's a lot more than just the basics you need to learn if you want to reach your full potential in writing.
This rather long interview by Film Courage, draws lots of insight from a knowledgeable writer who shares quite a bit of great info that you should soak up if you're serious about becoming a writer.