Your best bet is to look at the villages tied to a town and purchase workshops that use whatever those villages supply. You can check the nearby castle villages to to see what towns they normally trade with but again if the castle is flupped, those villages will switch to trading with the nearest town of the same faction. 1. Anonymous_Jakalope.
The way leveling trade in this game works is so bad, its so so so freaking bad, trying to level up trade will bore anyone to tears and i hope the devs just make operating trade caravans give xp, because otherwise its a horrible chore. A dozen trades are enough to reach 300 Trade, but you need a lot of resources for blacksmithing.
Mount & Blade 2: Bannerlord continues a decent Trade level will start to really save money and keep the bank account flowing much more freely. The best place to set up a workshop is a
How to Power Level Smithing. IN SHORT : Smith super high value weapons to do that just make weapons that deal extremely high damage weapons like two handed axes and two handed swords that require a high diffculty to smith. You'll go up 1-5 levels for just crafting one. I struggled with smithing like everyone else for a long time until recentlym0Sycb.