I think you need to either find businesses who need similar services but don't need whole container volume or folks who want turn-key container-arrives--contain

I think you need to either find businesses who need similar services but don't need whole container volume or folks who want turn-key container-arrives--container-leaves--container-shows-up-somewhere-else service and they're willing to pay for it. Otherwise you're going to need ships, because unless you're floating it yourself, you're going to need to fit in to an existing profit model and the margins are going to be really thin. See comments about Uber's profitability.