We hope you never do! We have fully vetted and tested our cleaning technicians, so we know they are working hard to leave your home sparkling clean. But if you aren’t satisfied, please contact us right away at 623-977-6725 or email@bookdirtbusters.com so that we may address the issue promptly. We will send one of our supervisors out to re-clean the problem area within two business days. If you are still dissatisfied, we will offer a refund up to the full amount of the cleaning fee. That’s our Happiness Guarantee