I'm just sick of cab guys cutting my opening poorly.... "Move over digiot, I'll do that!" Kidding, depending on when and where, and cost/risk analisis, I sometimes cut cabs, but usually I just lay them out to be cut. I'm pretty particular about the hole I set my stuff in, (for support and fit) and if the cab guy doesnt care enought to cut the hole to my liking, I'll cut it.

Ducts no way, I turned a remote fan into a jet sounding whine, and had a bath fan fail inspection.... I know nothing about ducts. And don't want to know either.... Here's the number of a few people who do ducts... [Linked Image]

Mark Heller
"Well - I oughta....." -Jackie Gleason