Cheat Code Gameshark Rare Candy, Infinite Money and Master Ball Pokemon Emerald GBA

Put the master code:

D8BAE4D9 4864DCE5
A86CDBA5 19BA49B3

Put the money code:
(you will get lots of money when you sell something at the mart)

83005E18 270F

Put the item codes:
(buy at mart. Put the item code one at a time)

Master Ball : 82005274 0001 (free, but you have to buy one by one)
Rare Candy :82005274 0044 (expensive. Use the money code)

Tutorial:
1. First input the master code and activate it always.
2. input the money cheat code , activate it and go to the pokemart. Then sell any item , you will get infinite money (99999999)
3. Choose cheat code rare candy or master ball ( don't use both cheat at the same time) and activate it. go to the pokemart and buy it. ( the item is in the first list)

Source : supercheat