6 Things You've Probably Never Washed, but Should

Since the weather-stripping (which keeps out drafts) on many windows is black, you may not even notice the grime that accumulates there. Becky Rapinchuk, aka the homekeeping expert Clean Mama and author of Simply Clean, advises wiping the area down with white vinegar twice a year to keep the tracks clean. And if you look at the weather-stripping and think you see mold—which happened to Rapinchuk's friend, who thought to look for it only after seeing an allergist about her nonstop sneezing—you may want to call a professional.