Had a similar "aha" moment myself a while back. Was helping my brother-in-law with some attic insulation and noticed his bathroom fan was just venting...

Been there myself with the rusty nails... Last spring I was redoing an old shed roof and figured I'd just hammer straight through the shingles without...

Yeah, I get what you're saying about complexity—reminds me of a job we did last summer. The homeowner insisted on these fancy cooling layers under the...