Oak Leaf via Amazon offers its Oak Leaf 23-Foot 30-LED Solar Light Strand in Warm White or Multi-Color for $7.99. Coupon code "ADAKDB7K" cuts it to $4.99. With free shipping for Prime members, that's a buck below last week's mention, $25 off, and the lowest price we've seen. It features steady and flashing modes and an IP44 waterproof design.