As one of its daily deals, PricePlunge offers the refurbished Netgear Powerline Ethernet Network Adapter Kit, model no. XET1001-100NAR, for $14.99. Coupon code "coldplunge5" cuts it to $14.24. With $2.99 for shipping, that's $56 off list and the lowest total price we could find. These adapters plug into a wall power outlet to expand your home network without having to run Ethernet cables through your house, and feature a data transfer rate of up to 85Mbps. Deal ends today.

Note: No warranty information is provided.