Either the installer of your water heater wanted to save a few dollars or was ignorant to how different metals react when ...

This might not be the largest discount, but it does drop the price to as low as we've seen it in years — just $7 for two.

Ana has 20+ years of experience covering home improvement and business topics for U.S. and international media. She’s been published in U.S. News & World Report, The American Scholar Magazine ...