How is this story idea?

Okay, you have a pretty detailed idea. It sound interesting enough. You will probably modify it as you write your story. You have the idea, that's the easy part. You are ready for step two. Sit down and write your story. Once you have written your story you get to part three. You will have to market your work (now we are getting to the hard part of writing). Once you sell it you will have to rewrite it to the editor's specifications. Then comes the really hard part. You will have to promote your book. So? What are you waiting for. Sit down and write....