newegg via eBay offers the Netgear 4-Port 85Mbps Powerline Adapter Kit, model no. XEB1004-100NAS, for $39.99 with free shipping. That ties our August mention and is the lowest total price we could find by $29. This plug-and-play Ethernet kit uses your existing electrical outlets to create a secure network. Deal expires October 28 at 3 am ET.