This. But keep in mind that books generate consulting gigs. My first book probably earned $4,000 in royalties over the last six years. But I got a $10K speakin

This. But keep in mind that books generate consulting gigs. My first book probably earned $4,000 in royalties over the last six years. But I got a $10K speaking gig in Columbia almost immediately and a three year engagement in Australia at $24K/year not to mention business class seats to Sydney once a year.