Costco offers its members the Lorex 2TB 8-Channel HD NVR Surveillance System with Four Cameras, model no. LNR1182, for $499.99 with free shipping. (Non-members pay a $35 surcharge.) That's the lowest total price we could find by $108 It features four 3-megapixel cameras with night vision up to 130 feet and 1920 x 1080 (1080p) native resolution, 2TB hard drive, remote viewing, and eight 60-feet cables.