You're pulling your warm laundry out of the dryer, blissfully unaware that your washing machine just committed treason. It didn't leave your clothes cleaner than they were before you put them in.

Some items destroy washers, void warranties, and trap bacteria. Skip these fifteen: coins, keys, underwire bras, embellished ...

Washing all your laundry together can save time, but unfortunately, it can also cause damage. Here's what you need to know ...