CPO Commerce via eBay offers the DeWalt 18V 1/2-Gallon Portable Wet/Dry Vacuum for $114.99 with free shipping. That's the lowest price we could find by $5. It features a 2.5-foot hose, dual clean-up modes, and filter that purports to trap 99.7% of dust at 0.3 microns. It includes a 18V XRP battery and 1-hour charger.