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traders
Trader
When countries buy it is called imports. When countries sell it is called exports. Countries want to sell more than they buy, that is called a trade surplus. When countries buy more than they sell it is called a trade deficit.
It's usually sold at auction. However there are purchasing agents who often buy all of it as one lot and then sell it online. Often businessmen will put it on ebay or similar auction sites.
No. I called them for the holidays trying to buy one... they do not sell them.
It's called "House Flipping".
farmers and nomads buy/sell goods at outdoor markets called sepets.
Businessmen and farmers stood a lot to gain from American expansionism. They would have more markets to sell products to.
Trader or Invester
No, it is illegal to sell any war-grade ammunition in France. The only "grenades" you can buy are the fruits called "pomegranate" in English.
You can find businessmen in this world to buy your house in Bucharest, Romania, and start businesses there, at trade exhibitions which play host to international investors.
You can buy them at the mall at a store called Journey's for forty dollars.