Geting more experience points
If you at a place that has strong Pokemon and you want to train a weak Pokemon, put the weak Pokemon at the top of your party and put exp.share on it than get in a battle. When you start the battle switch to a strong Pokemon than defeat the Pokemon then the Pokemon at the top will get lots more experience repeat the process until the Pokemon is strong. It's a good way to train weak pokemon.
If you need more help, we've got more Pokemon Gold cheats and also check out all of the answers for this game
Comments for this hint