newegg offers the Rosewill Premium 200Mbps Powerline AV+ Pass-Through Adapter Starter Kit, model no. RPLC-200PKIT, for $39.99. This $10 mail-in rebate drops it to $29.99. With free shipping, that's $5 under our mention from a month ago and the lowest total price we've seen. (It's a current price low by $36.) These adapters plug into wall power outlets to expand your home network without running Ethernet cables through the walls. It features Ethernet and AC ports. Deal ends December 1.