I've met the author, and chat with them on IRC occasionally. Since I don't think they're aware this was posted to HN, I guess I can share what I know. From wha

I've met the author, and chat with them on IRC occasionally. Since I don't think they're aware this was posted to HN, I guess I can share what I know. From what I've gathered in conversations, I'd put fwiles at making decent money, but not really "killing it." Given that Kaplan-Moss left Revsys to join Heroku, I'm guessing the consulting money is less than what one might earn elsewhere, and compensated in autonomy.