Moneymaking schemes. (Patreon)

Calvin has access to a shit-ton of man-hours per day, and he is aware of it. So what would be a space efficient luxury good that he could have his Knick-knacks make for the trip to the Uleisian desert?

either a gadveran export or a new creation.

I've only come up with pearl diving and scrimshaw for some reason. It can't require too much infrastructure, but other than that, go nuts.