GeekDeal via eBay offers the factory-refurbished Samsung 8-Channel 1TB HD DVR Security System
, model no. SDH-B74041, for $229
with free shipping
. That's $76 under the lowest total price we could find for a new one. It features a 1TB hard drive, H.264 video compression, four cameras with 105° viewing angles, VGA and HDMI outputs, and USB. It's compatible with iOS or Android devices. A 90-day Samsung warranty applies.