As one of its daily deals, newegg offers the TRENDnet Powerline AV Ethernet Adapter Kit with Bonus Plug, model no. TPL-304E2K, for $39.99 with free shipping. That's $5 under our June mention and the lowest total price we could find by $25. This plug-and-play Ethernet kit uses your existing electrical outlets to create a secure high speed building-wide network. It also features a power save mode, which claims to reduce power consumption by up to 70%. Deal ends today.