For some reason, I can't build wood camps (the option isn't even visible) - so even though the rest of my army is up to masters, I'm constantly building lumberjacks manually just to try and keep the wood count from going too far negative
Here's some basic tips for people trying to get the trader achievements: Don't use the 100% volume option. Switch to 50% volume and buy stocks in multiple places at once. Your money will go up faster on average this way.
Don't buy buildings. (This one should be obvious)
Set some basic ground rules for yourself, keep them simple, and stick to them. For example, you can buy any time you want, and sell whenever it's worth X more than you bought it. Or, you can say you'll buy any time you see the price below Y, and sell when it's above Z.
Good luck and happy trading, everyone.
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