do a few searches, see what is near where you are staying
https://www.timeout.com/newyork/music/best-record-stores-in-nyc
Plainfield, NJ, 1 hour from NYC, will you have a car?
It would be fun to meet, and I've got a bunch of used Classical, need the shelf space, selling $1.00 each! (None of the dealers that came and bought a few thousand Jazz LPs wanted Classical).
Timing: when? I'm having back surgery 5-16-23