eBestShop4u via eBay offers the 72-Foot 200-LED Solar String Lights in White for $12.99 with free shipping. (AddlonDirect via Amazon charges the same with free shipping for Prime members.) That's the lowest price we could find by $2, although we saw them in multi-color for $2 less in January. This set lights up at night and features always-on and blink modes.

Update: AddlonDirect via Amazon now offers it for $11.99 with free shipping for Prime members.