I've always lived on properties with sheep or goats and always took for granted the lack of weeds. I'm just not set up for them here, unfortunately. I've never heard that sheep are better at weeding. They pretty much stick to grass and wouldn't touch the brush and vines the goats were so good...
Forgive my ignorance here . . .
I am rapidly losing my pasture and lawn to weeds, and pulling everything by hand would be a full time job, plus overtime, and I probably still wouldn't make more than a dent. Obviously vinegar strong enough to do anything is just as, if not more harmful, than weed...