Anyone can sign up with a provider and become "prisoner" but not everyone knows how to get out of it. How can you even compare the complexity of someone signin

Anyone can sign up with a provider and become "prisoner" but not everyone knows how to get out of it. How can you even compare the complexity of someone signing up for Internet service and getting foobar@att.net for free, and then later having to somehow figure out to pay $15 to set up another domain with E-mail to replace it?