Hogwarts: I Really Don't Want to Be a Wizard

The day he received his notice to Hogwarts, Mike Garrett knew that his dream of becoming a business giant might be dashed.
Then the first step is to escape from Britain, go to the New World, let the business empire rise, and let the Gretel family become strong evidence of British orthodoxy in Ame.
Until Dumbledore, who was smiling, said, "Hello, Mr. McGregor, would you mind chatting with me in a different place?"
——
Mike Grete, holding the expired ticket: "So. Dear principal, when will the ticket to the New World be reimbursed to me?"

PS: Serious OOC warning