DailySale offers the Xtreme Cables 3-Outlet Wall Tap with two USB Ports in Black, model no. 28310, for $8 with free shipping. That's the lowest total price we could find by $2, although we saw it for a buck less two weeks ago. The USB ports charge at up to 1,000mAh.
Note: The countdown timer on the product page does not reflect an actual expiration time and resets daily.