The hardest thing for any project is to start. I used to drink cokes — 5 per day. Then, I took a pack of sugar home and measured it. One can contained 24 packs. I quit immediately and lost 25 pounds. Hidden sugar and misleading labels are the worst, like a serving from one granola bar is reasonable, but the bar has 4 servings.
So, Book Expo America was a humbling experience. My first computer convention was, too, and I was a speaker. They let you in for free if you gave a 1 hour speech.