New instant messaging phone for your son | Free |
Ability to have him ignore your calls when you call him | Free |
Ability for him to call you and remind you that he needs some money | Free |
What happens when he starts talking to a new girl and spends ten 24 hour days on the phone | $560 in overage charges |
For when you absolutely need to let your son yap about nothing for $25/hour: T-Mobile.