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About the amounts, I filled my truck about 5-6times with 10ft rough poles to do this fence maybe 200ish foot long.As for cutting it, lopping shears are definitely the way to go. It's not fast but you'll Work yourself to death using a machete, and it's much easier to control and you get closer to the ground. For straight up removal I tried a chain saw but it splintered up anything it touched.
Better (or even best) practices are always better. That was something i made years ago as a 19 year old with no formal training. I still don't see any serious problem with an overhand knot as a strain relief on a hole without sharp edges, and tho not the norm i've come across many pre-80s electronics with basically the same.
Charlieplexing Larson Scanner
MORE NOMAD FURNITURE: A Folding Desk