I'm a pretty good handyman and bought this machine for a major overhaul. I bought this tool specifically because I was doing fiber cement siding on a 2000 sq ft colony (panels and boards) and expected to need it for a bathroom remodel cement board. I've only used it for my siding project so far and am very happy with it so far. The back panel requires much less precise cuts, so I don't expect any problems when I get to this part. FOR FIBER CEMENT SIDE: When cutting outdoors, I cut at about the…