Maybe it is out of my Volt that came without one... Rydell had to grab one from another car. 
On several of these why are you charging people for an extra charger:
LPO, Charge Cord, 110/120V $535.00
It should be pointed out for those who may not know better when they're here to research and then they can make their own decision on the price they get. It's no different than letting someone know the lease offer they got is terrible.