MiniInTheBox offers this 40-LED 16.4-Foot Star Light String in Warm White or Multi Color for $6.97 with free shipping. (Choose "Postal Service - No Tracking" shipping at checkout.) That's $17 off and the lowest total price could find. This IP44 water-resistant string is dimmable and color-changeable via the included remote. At least one AA battery is required, not included. Deal ends December 29.
Note: Uncheck "Add Shipping Insurance to your order" during checkout to remove the 49-cent fee.