I am also grateful to her for pointing out that, contrary to what some people may think, it is NOT a waste of time to take pains over grammar, diction, and syntax.
"Few writers have what it takes to produce 'great writing'," Maddox says, "but even a great storyteller requires professional writing skills to get the story across to the reader."
And then, an important observation:
The difference between amateur writing and professional writing is rewriting.
Read the post, which offers a close look at the work of an amateur, in its entirety here: "A Sample of Amateur Writing".