Yes. Getting a CDL won't be a problem - it's finding employment with a felony record which is going to make things difficult for you.
NO
1st degree
You need to get a lawyer.
This is a question best addressed to the NJ state board that licenses that profession, but I'm willing to bet that the answer is yes.
Yes, but you aren't likely to be able to land a job driving. A DWI makes you pretty much un-hirable in the trucking business.
NO, KY runs a 50 state check of driver's license records before issuing you one. If you lie on your application to the question "is your license currently suspended in any other state?" you will go to jail for a felony.
How do you get a wholesale car dealer's license in NJ?
Depends on the state and which class of driver's license you have. General operators license: 2 years in most areas.
Only if you have the motorcycle endorsement on it.
The presence or absence of air brakes in a vehicle has no effect of whether or not it requires a CDL.
yes
No, you do not need to have insurance to get your license in NJ. You can get your license before you even own a car.