Of course. All writers do, and then we bellyache about all the rejection notices we receive.
Here’s an idea – what if someone assembled all the common mistakes writers make when submitting their work? Then we’d have a checklist of pitfalls to avoid…and hopefully have more success with the work we submit.
Nathaniel Tower has done this over on the Submittable Blog. His article “The Biggest Mistake You Can Make When Submitting Your Work” gives honest tips on what to not do from someone who has experienced “the game” as both an editor and an author. It’s a worthwhile read for all writers.