Estopolis Densetsu Codes -

Hint: Easy money:
Go to the town of Ordens. Go to the item shop and buy all the Blue Tea you can for 100, then sell them back for 150. You can buy 99 for 9900, but when you sell back 66 you gain back 9900 plus the other 33 that you sell. Continue to buy and sell until you have enough money.