Rack jobbing means the vendor stocks the shelves, sometimes literally. The vendor isn’t paid until the item sells. That’s common for a variety of merchants.

Rack jobbing means the vendor stocks the shelves, sometimes literally. The vendor isn’t paid until the item sells. That’s common for a variety of merchants. https://en.wikipedia.org/wiki/Rack_jobber https://en.wikipedia.org/wiki/Rack_jobber