Variation in quality means different items with varying quality will be worth more, I've seen variations in price of crops (not completely sure why).not all traders want a super sniper rifle but most want potatoes. How often the goods can be sold (if that's the method) e.g.There are two factors that I believe need to be taken into account when creating the most efficient method: This means no mining all the ores on the map and selling it, it needs to be a method of making money that can be continuously reproduced (until everyone in the colony dies). I want to know what the most efficient way of making money (silver) is, on a sustainable basis.