quality posts: 4
I'm not sure why people are so fixated on stands or trees just x feet apart? It's easy enough to use a tree for one end and a 4x4 dug into the ground at the distance you wish (or even a pair of 4x4's). Run a lag screw with an eyebolt in it thru at your preferred height and you are done(except the relaxing).
Get a Woot-Off checker here http://woot.wikia.com/wiki/Woot-Off_Checkers