Amazon offers Prime members the Black + Decker 20-volt Max Lithium Single Speed Drill/Driver, model no. BDCDD120C, for $47 with free shipping. (Home Depot charges the same. Non-Prime members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.94.) That's the lowest total price we could find by $10. It features an 11-position clutch, keyless chuck, and LED light.