Lots of people give out advice on querying. Some of that advice is very good...and some is very bad. My take is just that--my take--but as I googled every form of query advice I could find when I queried, I thought I should put out my own little list. So here goes: You know that you can't query an unfinished manuscript. What you may not know is that your finished manuscript is nowhere near "finished." It's not even in the same ballpark as "finished." To try to get it closer to that sparkly word, I strongly suggest that when you finish your book you let it sit for no less than 2 weeks. Revise (I focus on plot/story first). Make sure there are no holes. Wait two weeks. Revise again (I focus on character with the 2nd revision). Wait 2 weeks. Read the entire book and make notes. Then clean up your prose. Send the MS to at least two readers. Wait until you receive their feedback to revise again, and when you do revise, pay attention to what they suggested....
believer in the make-believe (aka AUTHOR)