Update: Amazon’s got $3 cables but they will take longer to get to the US.

eBay is offering an Apple Lightning to USB cable for $5 + free shipping. Please note this is a 3rd party cable, not Apple original. The seller is US based.

Features:

Data Cable has 2 in 1 functionality,will connect your ipod/iphone to your computer charge it and let you sync data.

Guaranteed to work on All Iphones and ipods any firmware our chargers will give you no problems,the only exception being the ipad and the ipod shuffle.

You will receive the 1 USB cable. 3 Year warranty