an electric fence in an area where your dogs or chooks run would be fast, easy an inexpensive. I bought a 2 mile fence charger for $22 at TSC, a spool of 14 ga wire for 17$, and plastic posts that don't need insulators for $2 apiece. I can literally run my wire every 4" in height up to 5'. So for the cost of a cup of coffee............................
