It depends on where you are. In the U.S. you can have a gun in your home or in your place of business in every state, except that in Illinois, you must have a permit (or techincally, and ID card) in order to even purchase a firearm.
No you can´t
Other than a toy gun or water gun, the next most powerful one a citizen can have without a permit is a "B.B. gun".
Yes, you can buy a gun case for anyone.
You can't carry a gun in Georgia without a permit.
It depends on where you are. In the U.S. you can own a gun in any state without a permit, except that the state of Illinois requires an ID to purchase a gun.
Not legally. Florida requires a permit to carry a gun on your person in public.
No, not in public. You can carry a gun in your vehicle in Mississippi, but not in public without a permit.
No.
It is not illegal. There is no permit required to own a firearm.
Yes
In most U.S. states, yes.
I'm inclined to say its o.k. as in N.J. But, to be on the safe side contact your state attorneys office and pose the question.
Arizona is an open carry state. If you can legally own a handgun, you can carry it openly without a permit. If you want to carry a concealed handgun, you need a permit.