Unless you dust things on a specific schedule, it’s amazing how it can build up. I’m hilariously allergic to dust so I have to put on a mask whenever I want to clean or vacuum or move furniture. The main problem with my system is that when I finally start… it never ends. Oh look at the corners of the ceilings… better get along those baseboards… behind the TV is looking neglected… better pry up these floorboards and see what we’re really dealing with.