never bought or sold before so? do i need to verify that someone has a FOID card if i sell to someone in illinois because we in the great;z state of illinois need a FOID card? Is there any paperwork involved? do i need to send it to a FFL if it is a sale or trade? do i need my ffl to send it to their ffl to make the sale? any other details appreciated never sold a firearm before and might in the near future.