I cant agree with the 5% thing. I cant say whether equipment is that close and set up is difficult, but I have heard a huge difference in the way stuff in salons sound. I have heard very "high end" stuff sound awful and modest stuff sound damn good.
As for experience with sales people goes, complaining now is like beating a dead horse. Plenty of horror stories here if you search.
As for experience with sales people goes, complaining now is like beating a dead horse. Plenty of horror stories here if you search.