Yes, there is BookBub.com. It’s right up there with the ginormous Goodreads as a top spot for recommendations and book lists. Pretty much every post or anecdote I’ve heard about BookBub emphasizes how amazing it is when it comes to promotion. I believe those posts, and I’m happy for those authors but . . . BookBub will promote you, and it will work, but it’s also common knowledge that it will cost you roughly an entire month’s worth of income. At least. If you’re…