Place a couple of dryer sheets (even used ones work) in the bottom of the trash can to absorb spills and mask odors.
Switch to liquid soap or glycerin bar soap. The binders in traditional bar soaps are the main cause of soap scum and contribute to clogged drains.
Line the bottom of the microwave with 10 or so paper towels to protect the turntable. Take the top one off after each use.
Run the bathroom exhaust fan or crack open a window while you shower—and for at least 10 minutes afterward—to prevent mold buildup.
Eradicate hard-water stains in the toilet by pouring in a cup of distilled white vinegar once a month. Let sit overnight, then flush.
Wipe down tile walls and glass doors after showering with a small flexible squeegee to curb soap scum.
Want a few more tips? Take a look at our Top Cleaning Checklists.