you put in food and drink places to raise money you can also charge admission to your zoo by clicking on the gate

just press Shift + and them 4 witch shifted is the $ and hold all three button till your money is where you want it.

pizzadox has a trainer out for both versions of Zoo Tycoon 2 (the original game, not expansion packs). you press M to always have a billion dollars. it's on GameCopyWorld

if youre playing zoo tycoon 2, go to sand box mode.there is no money.