GearXS via eBay offers the Belkin Connect N150 802.11n Wireless 4-Port Router
, model no. F7D5301, for $18.99
with free shipping
. That's the lowest total price we could find by $6, although we saw it for a buck less last winter. It features four Ethernet ports, WiFi protected setup, data transfer rate of 150 Mbps and more.