Get 9,999,999 Coins
Get 10 coins. When you do, go to the Tic Tac Trump game in the casino. Bet 6 coins (don't double) and lose. Even though you have 4 coins left, the game will allow you to bet 6 coins. Do this and lose, you will now have -2 coins. Quit Tic Tac Trump, but play again, bet any amount, and win. You will now have 9,999,999 coins.
Accessing the Island
Go directly to the island from the boat at the port. Make sure you have 10,100 Simoleons remaining. If you are short by a small amount of money, talk to the tourists and make them love you to get more. Go by the bay side until you see a blonde rich girl named Elizabeth. If you make her happy she will ask if you would like to buy a house. Buy the house. The house has a pool, three rooms, a gate, and a big flower bed. She will tell you more about her and become a best friend.
Elizabeth's Fashion Review
For Elizabeth's Fashion Review, the following are the outfits you must have on your Sim to win:
Highlands - Purple and pink custom shirt with black roll-up pants.
Forest - Green and brown custom top with brown pants/trousers.
Town - Red and black custom top with blue jeans.
Port Area - Custom top of blue shades with light blue jeans.
Entertainment Area - Silver and blue custom top with red pants/trousers.
Mountains - Orange custom top (little white is acceptable, but mostly orange) with green pants/trousers.
Easy money
Go to the Entertainment Area and catch a fish called an Anomalocarid. Give it to Joseph, he will almost have a heart attack from how big and mean it is. The store value is $500. Joseph will pay about $1,200 for it.
Cameron
Get a fishing rod and catch lots of Sea Bass. Enter the fisherman's house and sell the fish to him. You should get a decent amount of money by doing this.
Euan
Walk around at night and notice the shiny little things in the grass, the road, or the beach. Stand in front of them and press A. You will get a random amount of money or a special prize.
Extra House
After completing Star 3, go to the island. Talk to a girl named Elizabeth. She will offer you a home valued at $300,000,000,000,000,000. Your offer is $10,000. She used this as a pet house. This can be used as storage or your home. This house includes a camera, three rooms, and a pool you cannot go in.
Play Racquetball
Talk to the mayor's grandson and he will give you a racket. You can only play until night. Play more and you will get money, more games, and better rackets
Preview Clothes
Go in the pink house on the entertainment island. Note: You will need three stars to get it. You can now preview some clothes that Tyler the Tailor will make in the future.
Wii Version References
Talk to Helen during the night. She will talk about her niece, Rosalyn, which is the mayor of the Wii version.
Unlimited Coins
At one point Charlie will talk about Chief Gino, which is the chief in the Wii version.
Easy Money
After you do the "Unlimited coins" glitch, get 99 video game companies and sell them to the store. They will be worth $5,000 each. Note: You can do this as many times as desired. If you run out of coins, do the "Unlimited coins" glitch again.