Lane wrote:

But since you didn't I'd say you are the one being unreasonable here. For
example, there are certain commercial companies that ship everything via UPS
or FedEX, and asking them to do the other won't get you anywhere except
without a sale.

Not only that. It's common in some industries
to charge enough money for shipping to the end
user to cover both his shipping cost and the
cost to ship the raw materials to the factory.