If your in WA it's best to get it at Game Traders at Joondalup. I got mine for $30 and all the other shops had it for $60. So I recomend Game Traders for Platinum!
You can get it for free if you steal it.
you get Pokemon platinum from,toys r us,walmart,or GAMESTOP! Or from Uranusum. Get it its a elementas well haha EBAY is the cheapest place
India
ebay
No
no.
its a secret place
No!
It is a place were you can transfer your pokeon from your gemeboy games to your platinum
One place you can get it is in the underground
In the safari place.
i think in the place where their is eletric