So, you think your house is clean? Well… you might have to think again! If you’re like most people, there are areas that you never even think about cleaning, unlikely places where dirt, dust, and germs may be lurking. Even if your home has its share of “dirty little secrets,” you’re not alone: A 2012 survey sponsored by Kenmore found that nearly half of Americans—49 percent—say they cut corners when vacuuming by skipping areas underneath or behind furniture, and clean only when they see visible dirt on the floor. Because identifying the problem is the first step toward a cure, here are some commonly overlooked areas of the home that should be added to your housekeeping regimen—and some tips on how to maximize your cleaning efforts.