These Ylife 33-Foot LED String Lights with Adapter drop from $13.99 to $9.74 with code GWXTVUY6 during checkout at Amazon. We've seen these same lights on sale for $16 in the past, and this is the best deal we found on any string lights or fairy lights with similar specs. They're waterproof and have 100 LED bulbs. Prime members get free two-day shipping. Non-members can use a free Prime trial or spend $25 to get free shipping. Otherwise, it adds $5.99. Sales tax is charged in most states.