Dog Moon
Adventurer
How are you past the point of no return? What contracts do have you signed? What money have you given them, or they given you?
Consider the concept that it is not unethical to abandon your mortgage (default on the loan). That notion strikes people as wrong, but in the world of Capitalism, if a deal is no longer worth it or viable, you abandon it.
If you're finding out this publisher isn't a good deal, then spend more effort to escape than rewarding them with money.
I already did sign stuff and pay for stuff. That's the thing. I'm like one step from the book being completely ready to go. Literally the only thing I need to do right now is get the cover image. Once that is done, my book will be published and available for purchase.