Are you unable to get the title certificate for a vehicle you are selling and the temporary registration is set to expire soon?
yes
You can't get another temporary registration.  An additional temporary registration won't be issued under any circumstances.
how do I enter the selling price on the MV 50 form for a vehicle that was sold wholesale?
The selling price is not required on form MV-50 when a vehicle is sold wholesale
One more thing to consider if your license has been revoked. What happens if a person's license is revoked after a hearing?
They must surrender all supplies and cease to operate
what else can happen in a hearing?
The result of the hearing may be no action, a civil penalty, and/or a suspension or revocation of your ability to operate as a vehicle related business in New York State. You may also be offered the opportunity to pay restitution to the consumer in instead of the fines and/or penalties, or to have the penalty reduced.
who does the investigation when there is a complaint dispute?