As one of its daily deals, That Daily Deal offers this Solar-Powered LED Multicolored Light String for $8.49 with free shipping. That's a buck under our mention from two weeks ago and the lowest total price we've seen. (It's the best deal now by $9.) Each light string has 100 lights and a solar power attachment.
Stocking up? Buy three or more for $7.99 each, also with free shipping.