It’s not often you find a Las Vegas slot machine sitting in the middle of an RV center’s waiting room. But there it was, next to the camouflage-themed popup camper marked down to $9,995. An authentic Bally’s casino Blazing 777, the slot machine had plenty of complimentary credits for customers to pass the time as they waited for their recreational vehicles at Kline’s RV Center in Warren. Before I could pull that one-armed bandit’s lever, an older gentleman got up from his chair and walked toward me. “Good morning, young lady,” he said. Seeing his crisp, blue Oxford shirt with the RV company name and logo on its breast pocket,…