You can never say never.
No facebook doesn't cost money. Its free to join, but if you play a game and need to get facebook credits then that's what you have to pay for!. I hope this was useful.
Yes facebook mobile costs money, when you send a message to set your status it costs money but notifacations sent to your phone dont cost a thing. So yes it does cost money.
no its free
no it just changes it i did it
No it's free
yes
depends on if you're on a plan. if you are then it wont cost money. but if u aren't it will.
No! It is completely free. Some applications can cost you money, but it is free to sign up.
No, Facebook at the moment, does not cost money, although there is a rumor going around that they are going to start charging people but if your starting to visit Facebook it wont cost you a thing. Unless you go on it on your mobile, which in that case you would have to ask your network.
No they do not you only have to click on them and send it.
no
one facebook creidt cost 10 cents so 5$ would be 50 credits 1$ would be 10 facebook creidts