6pk Solar Motion-Sensor Lights $20

This Aootek Solar Motion-Sensor Security Light 6-Pack falls from $40.99 to $19.99 at Woot. That comes to just $3.33 per light. We normally see 4-packs selling for this price. These waterproof lights can detect movement within 26' and have three lighting modes. Happy customers praise the brightness of the lights and convenience of having lighting in areas without power. Shipping is free with an Amazon Prime account. Otherwise, it adds $6.