D & K Exclusives via Amazon offers this 6-Foot 8-Pin Lightning to USB Sync & Charge Cable 5-Pack in White for $10.95 with free shipping. That's $2.19 per cable and the best per-unit price we've seen. (It's also a current price low for this quantity by $4.) These cables are designed to work with any Lightning-equipped Apple device (although they're not MFi-certified).