Photos by Cara Lopez Lee An arborist came by our house yesterday to diagnose our ailing orange tree, and he informed me that the aging tree has too much unplucked fruit, too many branches, and not enough food. I never met a citrus fruit or a metaphor I didn’t like, so let’s see if I can untangle my thoughts on Amazon the way I untangled excess branches on my little tree today: When my memoir, They Only Eat Their Husbands , was first published in 2010, I listed more than 50 promotional ideas, all of which one pro or another insisted were musts for authors who craved success. I knew I’d never get to it all, but I did what I’m doing with my orange tree: starting with one task today, scheduling another tomorrow, another next week, and so on. Perhaps the most critical thing I’ve learned about marketing is that if you and your product are not yet famous, your first task is to narrow your targets: target audience, targeted marketing ideas, targeted networking, etc. You cannot...