Ready to start a window cleaning business? Our guide gives you a step-by-step process so you don't miss a thing. Many, or all, of the products featured on this page are from our advertising partners ...

For Kyle Ray, there are few things more satisfying than cleaning a dirty window. It's "instant gratification," the Texas native told Business Insider, and something he first experienced in high school ...

When growing up in Minnesota, Cohen Kellogg was fascinated with his father owning his hotel and his uncle owning a restaurant. Kellogg, 20, knew he wanted to have his own business but wasn't sure what ...

Carla Lee Martinez has always had an entrepreneurial spirit. It’s that spirit that prompted her to leave the corporate world behind, trading budgets and timelines for buckets and pressure washers, in ...

Cleaning windows was once a chore for David Kunz. Now it’s a full time-job. Starting in June, Kunz, 20, went all in on Coastal Clarity, a start-up business that offers window and solar panel cleaning, ...

After quitting his cubicle job, Kyle Ray started bartending, waiting tables, and cleaning windows. His first client was a massage parlor in a strip mall in Houston. He's turned the side hustle into a ...