Whenever you are in an auction and you see someone start to bid, immediately click the "Bid" button. You will bid instead of the person who raised their hand
Go to the real estate building, then click cancel to get a $1000 dollars for each plot of land that is purchased.
This trick will get you all the money you could ever use. Start the game, buy one dinosaur, then put it up for auction. If you have not noticed this before, every time you try to buy a dino and go to the price list, the bid goes up when you return. When your own dino is up for auction, repeatedly view the price list and the bids for your dino will eventually get to the billions. You will now have all the money needed to build a dream park.
Hold [Ctrl] and press 1 during game play.
Buy a dinosaur. Then go to the office and click on General Ledger. Click on Inventory and select the dinosaur to be put in the auction. When it is time for the auction click on the auction symbol. When your dinosaur is bid on click the question mark at the bottom of the screen. When that screen comes up click on the thumbs up symbol.As you can see the bidding price rises each time you this. Keep repeating the last step but be careful when you get really high because then the price will start to drop.
In the employee hiring screen, choose 99 for everyone except 2. Then, raise all you ticket prices to $5.00 then buy everything.