1 million. Once you have that many coins, you won't get any more until you spend some.
In club penguin it costs about 185 coins.
You have to play games to earn coins, although im not sure if club penguin will allow you that many coins.
There is no way to get 100000000 coins on Club Penguin.
500 Coins
100 coins
i have 1 mil
60 i think
$700
You can have 0 coins and still be on Club Penguin. Or have more than 1,00000 coins and still be on Club Penguin
On club penguin the cheat for getting coins is to hack a members account!!!!
100 coins
A background on Club Penguin cost 60 coins.