Home Amazon Goldbox deals Amazon: Havahart Wireless 5147G Expansion Kit for Free Underground Dog Fence Amazon Goldbox deals Amazon: Havahart Wireless 5147G Expansion Kit for Free Underground Dog Fence By ARCOM - 8 February 2017 315 0 SHARE Facebook Twitter Amazon Goldbox Deal: List Price: $59.99 Deal Price: $51.91 You Save: $8.08 (13%) Havahart Wireless 5147G Expansion Underground Expires Feb 20, 2017