The ticket price feature is being removed as of today. Your daily profit will be dependent on your zoo value. So collect lots of animals and make lots of money. Collect it from the ticket booth it is shown as a heart every 15 minutes! Money does accumulate so don't worry you wont have to click every 15 minutes. Clicking the heart will give money and xp. points Even if you are not in the game, you can still accumulate Zoo cash!!! You will only need to collect from one island the heart is found on the last island.