Sayhello2015 via eBay offers this 23-Foot 6-LED USB Borescope Snake Camera
with free shipping
. (Select the 7M version to see this price.) That's $2 below our mention from last month and the lowest total price we've seen for such a borescope. (Outside of other eBay sellers, it's a current best by $3.) It features 640x480 resolution and records at 30 fps.
Note: This item is supported on Windows only and may take two to six weeks to be delivered.