His team posted the convertible on Central Dispatch, an online marketplace that’s popular among car dealers, manufacturers, and owners who want to arrange vehicle shipments. It’s not too complicated, at least in theory: A typical listing includes the type of vehicle, zip codes of the origin and destination, dates for pickup and delivery, and the fee. Anyone with a Central Dispatch account can see the job, and an individual carrier or transport broker who wants it can call the number on the listing.