The market page is where products can be bought and sold.
Buying goods[]
Selling goods[]
Price fluctuations[]
Market sets[]
When you regularly have to buy or sell a specific collection of goods,eg: You buy 100 CBM of Energy and 50 CBM of Water every hour.', you can make a market set of this and now you can buy and sell those products without needing to fill in all those numbers every time by buying or selling it as a market set.