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How to Start a Commercial Cleaning Business on the Side: $100k in 9 Months

By Nick Loper · Side Hustle Nation · 10/19/2026

This week’s guest booked $100k worth of work in their first 9 months of a new side hustle they had no experience with. Haley Gallagher and her husband are serial side hustlers and were specifically looking for a side hustle they could do after hours. Seeing an opportunity at a bar he was working…

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