PetSafe Wire and Flags for In-ground Pet Fence Systems

pets safe wire and flags for expanding in ground pet fence system inclueds 50 boundary flags, 500 ft of boundary wire, 2 waterproof splice capsules, 2 wire nuts. For expanding in-ground pet fence systems. brand new in box I have 4 of them asking $20.00 each or asking $70.00 for all 4 boxes I'm open to offers and possibly trading for something.