It's amazing how much dirt they catch. Establish command central Determine a place, usually the kitchen, for the day's mail, calendar, bulletin board, car keys, batteries, school papers, grocery lists, etc. Damp mopping doesn't work. You've got to get down and scrub on your hands and knees, like Merry Maids does. Otherwise you're just pushing dirt from corner to corner.
Prevention is the key.
A light coat of lemon oil on shower doors, and auto wax on your bathtub, helps keep them shiny and scum resistant. Be methodical Work from the top of your house down. Work from the top of a room down. Dust first, vacuum last. Vacuum from east to west and north to south.