TAMPA — Jared Sanchez’s master bedroom has the vibe of a novelty pizza restaurant for children, with an electric bill to match. It’s close to $400 a month. Lights spell out “The King” in every direction. There are 50-inch monitors, arcade machines, mint condition He-Mans. The floor is a black-and-white checkerboard. Then there’s the live wire that is Sanchez himself. Seated at his control center, his frosted tips perfectly gelled, he taps his foot in a sparkly Air Jordan. His shirt says “The King is back.” This is a 37-year-old man living his dream. The dream of finding an obscure...