When you want a larger house, you can go see the carpenter. He will build you are larger house if you have enough money and wood material. It is hard to get enough wood to fulfill the material requirement, but the carpenter also sells extra material for 10 G a piece in groups of 50. Here is what he has available in his store:
Material » 500 G » 50 pieces
Home Expansion 1 » 2500 G » Need 100 pieces
Home Expansion 2 » 5000 G » Need 300 pieces
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