A typical agent in New York gets 400 query letters a month. Of those, they might ask to read 3-4 manuscripts, and of those, they might ask to represent 1. ↗
We sometimes received - and I would read - 200 manuscripts a week. Some of them were wonderful, some were terrible; most were mediocre. It was like the gifts of the good and bad fairies. ↗
I submitted manuscripts to publishers. This was not so much a feeling that I should be published as a wish to escape the feared and hated drudgery of normal work. ↗