No it does not cost money to join Club Penguin, only if you want to be a member.
No Its Free
No
yes it cost £4 for a month
$595USD
They cost 250 coins.
45,000
It doesn't cost anything but if you want membership then it will cost you money
7$ A month.
They all cost money.
YUP but not real money, you collect coins by doing games in club penguin, so you can afford different type of houses :) But to get the different types of houses and to decorate them, you need to become a member which DOES cost money.
$17.85