A college dropout turned a window-cleaning side hustle into a 6-figure business using unique pricing and 'unreasonable hospitality'

"That's when a lightbulb went off and I was like, 'I need to get good at residential,'" said Ray.His first residential job took three hours and earned him about $300.Ray spent about a year cleaning brick-and-mortar storefronts. Residential didn't cross his mind until the general manager of one of his commercial clients asked if he'd clean his house windows.Ray, whose second and third clients were a hair salon and a wing shop, called his side hustle Geek Window Cleaning ."I walked in the door because their w ...