Free time isn't always free. Busy parents, home owners and time-strapped singles are buying a little extra leisure time by hiring professional cleaners to do the honors instead of spending Saturday morning scrubbing the toilet, among other things. Is it all leisurely brunches in a sparkling kitchen and evenings spent in a family room free of pet hair, peanut butter smudges and dust bunnies? Well, sometimes. But when you invite someone into your home to do the dirty work, there can be complications no one should have to endure to stay on the clean side of the American dream. Let's take a peek at 10 dirty little secrets your industrious cleaning professional may be hiding behind her apron.