Looking for some advice here. I'm considering building my first rod...but I'm not certain I'll be able to do it. How difficult is it?

I'm a fly tyer and, not to sound immodest, but my flies are excellent. They are as good or often better than anything you would find in a fly shop. Is building a rod at all similar to tying a fly? I'm a machinist by trade, so I work to pretty tight tolerances at work ( +/- .001), so as far as any measuring, I'd be more than capable.

I had a look at the section by Al Campbell about building a rod and it doesn't seem incredibly difficult, but I've been mistaken before. I don't hold any pretenses about saving money by building a rod (like I said I'm a fly tyer and I've spent far more on tying then I ever would have by buying flies). I just wanted to fish a rod I built with my own hands.

Any advice would be greatly appreciated.

Thanks,

Darryl