Yes it does cost it IS NOT FREE!
It's free, just sign up.
Yes.
Tom Hulk
66.235.120.98
Tom Hulk but no ".com"
yes, a playdom account is free.
Yes, a Facebook account is free.
Actually you can have a free VIP account. The way you get this is if someone offers you a account or you get a account from your friends.
Yes, a parent account is free.
My saving account
You can get a free account, registering on the official website (www.runescape.com).
Yes, your Answers account is completely free to use.