What’s the one timesaving product you can't live without?

I can't live without my vacuum. I've lived without a freezer, a washing machine, a car, a coffeemaker, a telephone, indoor plumbing, and electricity, but attempting to clean my home from floor to ceiling with only a broom, a feather duster, and a rag is daunting.

This tip comes from Real Simple reader CLAUDIA LUCAS, Crown Point, California.