No, human beings (fictional characters included) don't live forever.
The Harry Potter books are set in England, not in the USA.
Voldemort wants the stone so he can live forever...and he gets a Hogwarts professor (Quirrell) to try and help him get it and try and kill harry.
Lacock Abbey was used for some scenes as Hogwarts in Harry Potter.
He doesn't. Harry Potter is a fictitious character, so he doesn't "live in real life".
The UK does not have states. They have counties instead. Harry Potter lived in Surrey.
Not known.
You have to write to the Harry Potter Casting Office in the UK, and if you really do have the potential, I'm sure you'll be able to do it!
Someone who does not deserve to live. It is a well known fact that nothing beats Harry Potter
Devon.
Surrey.
Yes
By being Harry Potter.