Battery Connection via eBay offers this USB 3-Foot Charging Kit for iPhone 5 / 5S / 5C in White for $11.99 with free shipping. (It's available in eight other colors for $12.99.) That's the lowest total price we could find for these items separately by a buck. Each kit contains five 8-pin sync USB cables, two car chargers, and three wall chargers.

It's also available in 6-foot for $15.99 or 10-foot for $17.99 with free shipping.