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Prices of restaurants, food, transportation, utilities and housing in null, China. Compare cost of living in null, China with any other city in the world.
-Don't forget about order! You don't receive as much gold/food per turn and bandits/tribes could appear! -Research techniques that'll help your army the most. If you have a lot of spear users, then focus on spear techniques. Don't research things that'll have a minimum effect. -Make sure to have enough food! It can run out really quickly, especially when you're marching a lot of soldiers out. -Right before you take a city, if you want to supply it with supplies from your other city, send the transport.