Most electrical faults I can chase down and fix now. But the ones where two or three things are wrong at once, or where one wrong move could really hurt me, still send me in circles. I test one thing, it clears, and the problem's still there, and I'm standing in front of a live panel not sure what's lying to me.
More people experience this than they realize.
You can troubleshoot most faults, but the multi-fault and dangerous ones still send you in circles.
If this sounds familiar, the Library can help you find the bigger picture.