yes
No. Riding in the back of a truck is NOT legal in Illinois.
Yes. However, you are responsible for ensuring any cargo or other items you have in the bed are secured.
Yes as long as your load is secured.
Perfectly legal. You are, however, responsible for ensuring that any load/cargo/etc. in the back of your truck is secured.
its called a tailgate(:
Oh, dude, technically it's not illegal to drive with your truck's tailgate down in Tennessee. But like, it's not the safest move either, you know? Your stuff might fall out, and you'll look like you're trying to air out your truck's backside. So, like, use your judgment, man.
Yes
If he has legal ownership of the truck yes, if not you may drive the truck if you own it or have permission from the owner.
The cost to tailgate depends on how much it costs to park your car or truck. Once your parked in the parking lot, you can tailgate for free...
Hold the tailgate open about half way, release both tailgate straps, lift up and out on passenger side of tailgate, slide tailgate to the right, done.
You can drive anywhere in N. America that you wish.