Charge & Sync USB Data Cable for iPhone / iPod for $2 + free shipping
All4Cellular via eBay Daily Deal offers the Charge & Sync USB Data Cable for Apple iPhone or iPod in White for $1.50 with free shipping. That's the lowest total price we could find by a buck, although we saw it for about 60 cents less last month (since expired).
A very similar deal was also reported by: