"Do the costs to promote a book sometimes equal the advan...

"Do the costs to promote a book sometimes equal the advance you got for it, and does that make you question A) writing it or B) doing all that expensive promotion?"
This post is going to be super depressing, so let me launch right into it.
The question of promo hits home for me right now. I have just spent three weeks editing, every day, for as long as I can keep my eyes open, in order to meet my deadline, which has been extended to tonight, thank god. But I’m tearing my hair out, because the...