To the guys thinking it should be part of the install to go in attics and crawl spaces... try this on for size. 2 years ago a tech was in a crawl space, nobody knew he crawled under to run the A/O. He grabbed a bad electrical wire and was killed. In an attic, you have insulation and ceiling to fall through. In crawl spaces you've got other dangerous stuff as well. It's guys like you that make it easy for contracting firms to force the good, experienced installers out of work.
This is CABL.com posting #178949. Tiny Link: cabl.co/mUIr