Tacklife Multimeter | $6 | Amazon | Promo code M2UAA4EY
Best Home DealsThe best home, kitchen, smart home, and automotive deals from around the web, updated daily.   

You might not need a multimeter very often, but for $6 (with promo code M2UAA4EY), it’s not a bad idea to add one to your toolbox. It sure beats electrocuting yourself and dying horribly!