The Legend of Zelda: Twilight Princess HD Cheats

Infinite Money
In order to get infinite money in Lake Hylia, you have to play Falbi's Flight by Fowl Game. The first time you play, land on the rotating platform for 100 rupees. The next platform has a piece of heart. When you ask to get shot up to the house with cuccos (Falbi's Flight by Fowl), first, use to gale boomerang on the top of the house, make sure to hit the red/orange tiles on the cannon house.

This will net you a red rupee, worth 20 rupees. Then, once you are shot up, do not move to another platform and get to where you can see the wind direction rooster thing and hit it with the gale boomerang, you must z-target. An unskippable cut-scene will show that the chest on the rotating platform has been closed and once again filled with 100 rupees. You can also just save your game and restart for the chest to be refilled.

You can do this as many times as you like for rupees to buy the Magic Armor (598 rupees) and donate money to Malo Mart to fix the bridge and start a Castle Town Malo Mart Branch.