16pk Solar Deck Lights $24

This 16-Pack of Solpex Solar Deck Lights drops from $39.99 to $29.68 to $23.74 at Amazon with the on-site coupon. Use these solar lights on deck banisters, fence posts, patio steps, or pool ledges. This is an unusually good price per light—you're getting each one for only $1.48 with this deal. Shipping is free with Prime or when you spend $35. Otherwise, it adds $6.99.