How do you get unlimited money in fish tycoon

Put a fish in the isolation tank at the bottom and click species beside the menu and supplies button. Price the fish for 100000000 or any very high amount you want and sell it. It's usually good to by a shell and the aloe plant with the beginning money to have more people to look at your fish. Try selling 3 or 4 fish at very high amounts of money, and people will buy atleast one fish if you give them time.