Home Depot offers the Milwaukee M18 Fuel 18-volt Lithium-Ion Brushless Cordless 4.5"/5" Grinder Kit bundled with an extra Milwaukee M18 18-volt Lithium-Ion XC 5.0Ah Extended Capacity Battery Pack for $299 with free shipping. (Several tool stores are matching this deal.) That's a savings of $129 off the usual list price for these items and the lowest price we could find. The bundle includes a grinder, hard carrying case, battery charger, and two 5.0Ah batteries total. Deal ends January 28.