Here's the real secret of cabin building if there is such a thing. Everyone wants to know, how do you lift the logs? I cut four dying white firs off my place and buried the butt ends 4 feet in the ground. I put a triple block on each one and supported them with cheap polypropylene crab pot lines strung diagonally. I figure that I get a 5 to one advantage on each corner. The whole setup cost me about $400.