In modern times many top players use the cheddar opening, with its multitude of continuations, like sharp, extra sharp, and smoked, it is great for high level play.
Driving into NYC from NJ sucks already. I try to never do it. Also the toll is already like $15 so what is a few more dollars? I don't know why anyone would want to drive in NYC.
No no no. No filing I said. Use a metal rasp or sand paper. Start with a low grit and work your way higher. Finish with some polishing paste and a nice buffing wheel.
Yes, they ship flat in one convenient box. Required hex key and detonation hammer included.