Groupon offers the factory-refurbished NeatReceipts Mobile Scanner and Digital Filing System for Windows, model no. 00346, for $89.99. Coupon code "GOODS10" drops it to $80.98. With free shipping, that's $9 under our February mention and the lowest total price we've seen. (It's $68 below the best price for a new one.) It features USB, 600dpi, and 3-to-4-receipt-per-minute scan speed. A 90-day NeatReceipts warranty applies. Deal ends October 23.