dd707city via eBay offers the Instant Trainer Dog Leash for $3.95 with free shipping. That's tied with last week's mention and the lowest total price we've seen. (It's the best deal now by $3, excluding other eBay vendors.) It's designed to train dogs to stop pulling at the leash.
mhcorp via eBay offers the Aosom Bicycle Pet Carrier Trailer, model no. 5663-1334R-B, for $71.99 with free shipping. That's the lowest total price we could find by $3. It features a 360-degree swivel wheel, rain cover, and safety flag.