Cost to build a three-wire barbed wire fence: $2,316.30 /mile. (Govt of Saskatchewan 2015)
Line post 3-4 inch tops, 6 foot treated $1,244.80
Brace post 4-5 inch tops, 8 foot treated $155.20
Corner/gate post 5-6 inch tops, 8 foot treated $93.15
Barbed wire, 12.5 gauge, 2 strand $788.76
Staples, 1.5 inch $34.39
Not included are the costs of running the tractor with post pounder or the labour.
Add those in and the total goes to a whopping $4,868.22 per mile.