Following Heinlein's Rules for Writers

Science-fiction legend Robert A. Heinlein once codified five "rules" for writers who wish to improve their chances of success at publication. My favorite source for these rules is Robert J. Sawyer's page where he expands on all five and adds a sixth.

In brief, the rules are:

1. Write
2. Finish What You Start
3. Refrain From Rewriting, Except to Editorial Order
4. Put Your Story on the Market
5. Keep it on the Market Until it Has Sold
6. (Sawyer's Addition) Start Working On Something Else (To which I would add "And Try To Work At Improving Your Craft"