Porter Cable via eBay offers the factory-refurbished Porter-Cable 18-volt Cordless Drill / Driver
, model no. PC1801D, bundled with the Porter-Cable Oscillating Tool
, model no. PCC510, for $49.99
with free shipping
. That's $29 below the lowest total price we could find for a new one . (We saw this kit new for $19 more during Black Friday week.) It comes with a battery, charger, sandpaper sheets, and more. It's covered by a full Porter-Cable product warranty, but the length of the warranty is unknown.