Newegg offers the Netgear Arlo Smart Home Security Camera System with three Wireless HD Indoor/Outdoor Cameras, model no. VMS3330-100NAS, bundled with a fourth camera, model no. VMC3030-100NAS, for $441.44 with free shipping. That's the lowest total price we could find by $59. It features motion alerts, remote viewing via the Arlo app, and 720p cameras with wire-free magnetic mounts and night vision.

Update: The price has dropped to $421.99.