Depending on what design you have in mind, you can keep trip hazards to a minimum and utilize a Kiwi Brace inside of the last post instead of a ground anchor outside.
(from Grit.com)
Agreed. Along those lines, the fencing supplier I referenced earlier has black coated high-tensile wire, which is what I’ve used. It is very low visibility and works great with the tensioner that is pictured above.