Sam's Club offers its members the Swann 8-Channel H.264 4-Camera 1TB HDD NVR Surveillance System for $239 with free shipping. (Non-members spend an extra $23.90.) That's the lowest price we could find by $41. The system features four 3-magapixel IP66 weather-resistant 1080p cameras, night vision with up to a 50-foot range, 1TB hard drive, HDMI, and two USB ports. Deal ends May 31.