Yes.....
Your CDL permit is in addition to the class of licence you had beforehand. So long as you were licenced to drive a car before you got your CDL permit, you can drive your own car while you possess a CDL permit.
Depends on which Class of CDL. A driver with a Class C CDL is not licensed on that vehicle. A driver with a Class B CDL can drive that combination only if the GVW of the trailer is less than 10,000 lbs. A driver with a Class A CDL can drive it.
Yes.
Depends. You can drive up to a Class 6 truck (up to 26,000 lbs. GVWR) without a CDL. Class 7 or Class 8 trucks require a CDL.
Yes. You can drive that vehicle with either a Class B or Class A CDL.
No
Yes, you will need insurance to drive with a CDL license.
Yes, you would. Without the trailer, you could operate it with either a Class A or Class B CDL.
To drive a cement truck legally, you need a class B CDL (Commercial Drivers License). At 18, you can apply for a class B CDL.
No, not to insure it just to drive it. You can insure it and let someone else drive it as long as they have their Class A CDL.
Eighteen and possess a CDL, Class A license
I have my CDL, and I'm look for school that teaches bus driving.