I've wrestled with that same concern myself about my poetry and photography.

What the two comments above said is really interesting. I think they're right - most people don't hone their craft or submit their work anywhere. I haven't. It's mostly rough drafts and big dreams. So I think the secret is actually putting your stuff out there. And talent is important. From what I've read so far, you have that.

I say go forth, write and rewrite and submit everywhere you can think of. It's worth a shot because it just might work out.
(Is that annoyingly positive? :P)