The Farmer and the Merchant
A farmer knows their soil, the weather, what time of year to plant, and all that sort of thing. They're a craftsperson. They study the work before them and master all of it that they can. It's a process of wisdom, experience, some trial and error, and mostly staying within safe parameters to produce an expected result.
A merchant knows their people, the market conditions, pricing, what drives demand and what can heat up cooling desire. A m...