Tacklife Multimeter | $7 | Amazon | Promo code C37HNQ64
Photo: Amazon
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 $7 (with promo code C37HNQ64), it’s not a bad idea to add one to your toolbox. It sure beats electrocuting yourself and dying horribly!