Write well. Write often. Edit wisely.
My article on formatting a manuscript for submission gets a lot of traffic, both reads and comments. Because the comment section suddenly seems to not know what to do with so many comments, adding new comments in at odd places, I’m closing comments on that article and using this article for new comments regarding manuscript formatting.
If you have comments or questions about formatting a manuscript, please ask them here. But do look through the original article and the comments there. You’ll find a lot of information, some based on questions from writers.