Never EVER have I had a setback on a build. Everything has always, always gone according to plan. Better, even. The rest of you guys must just lack skills or something. Rookies.
"Bolts onto your car with minimal skills needed, with ordinary handtools, in a weekend's afternoon....."
Okay, EVERY little project that I have ever taken on has fought me to the near death, but the satisfaction of solving the problem is one of the single best pleasures I know. Behind orgasm. 
Mark