Oak Leaf via Amazon offers its Oak Leaf 13-Foot 30-LED Starry Light Ball String Lights in Warm White for $7.99. Coupon code "J2N82GUU" cuts that to $4.99. Plus, Prime members bag free shipping. That's a buck under our May mention, $15 off, and the lowest price we could find. It includes a remote control and features eight lighting modes, and requires three AA batteries (not included). Deal ends July 31.