These best-selling 50' LED Edison Patio String Lights drop from $29.99 to $26.99 to $18.89 with the on-site coupon at Addlon Lighting via Amazon. Similar 50' strands sell for at least $35 or more elsewhere. These waterproof-rated patio lights have shatterproof, dimmable light bulbs. You can connect up to 28 strands together! They even come with a 3-year quality warranty, which is rare for lights at this price point. Shipping is free with Prime or when you spend $35. Otherwise it adds $5.99.