Anything they would like to: food, slaves, goods and weapons to name a few.
The ones you buy stuff with
coins
They bought any goods they needed.
The Romans buried their dead with coins so that they would have money to pay the ferryman, Charon, to take them across the River Styx into the Underworld.
The Romans used large, thick gold coins. Each coin was called an aureus.
Collectors
They used and made money. Silver, bronze, and gold coins were made often with the Emperors face on it. Look on eBay you can find REAL Roman coins to buy.
Either you play for a while until you have earned 4000 coins, or you buy the coins. If you decide to buy, which definitely saves time you can buy 1000 coins for 10 000 cash, which means it would cost 40 000 cash to get 4000 coins. The coins can be bought at the counter at the top left in the building.
eggs
The Romans had a mint where the coins were made. Skilled workers would heat and cool the metals used in Roman coins and shape them with various tools and methods. P.S. "Maid" is spelled made.
Romans coins were made of bronze, silver and gold.
Romans