I am trying to make one of the profiles on our account a Live profile. We already have one but I have another child that would like his own gamertag. Is this possible? I tried selecting the profile and then join the fun, after that it asks a name and then my email and password, after this it tells me that email already has a gamertag or profile. Is it possible to use one email or microsoft account for multiple gamertags or live memberships without purchasing the family pack?