to work with. anyway, 6" ended up being good enough for this application.
nice little hole. i don't know how he made them just the right shape. mad shovel skills.
we cut our posts 36" long, so we got four posts from each 12' board. i put the corner posts in first, used a level to get them nice and straight, then packed some dirt around them to keep in place.
once the corners were in, i tied a string to connect them. the string worked as a guide to help me make sure the boards were perfectly in line. i worked my way around making sure each post was level and in 