Although I won't waste an audio store owner's time, on the subject of "value added," for the most part I don't get much value added specifically from the dealer. From the store and the ability to audition a piece of gear, yes. But all the rest - e.g. the idea of a dealer with his audiophile wisdom and experience guiding me through purchases...no...zilch.
Like many here I've been doing this for a loooong time. I've had lots of experience, have done the research, know what I'm interested in and why. I don't need any guru help. And that's one of the things that irks me most when I go to a certain kind of high end store: when the salesman just HAS to yap on via the presumption he knows better than I and must help guide me. The most annoying are the salesmen who just can not turn off this chatty guru-mode. It doesn't matter that in our first 5 minutes of talking I've given obvious evidence I've been at this for a long time, know what I'm talking about and what I want. They will still go on as if I'm a newbie who needs education and help. No. All I need is to hear what I've come to hear, thanks.
The best salesmen by far are the chilled guys who don't swamp you with "How am I going to help you!" patter. Within a few minutes they immediately recognize whether they are talking to an experienced audiophile or not, and when they see this they don't bother asking all the irrelevant questions, they simply let you hear what you want to hear, and don't hover, or operate the system like you are a dolt. They just leave me alone to evaluate the sound.
THOSE are the dealers I have always ended up buying from, because they are the ones that make it possible for a confidence-inspiring audition. Those are the true treasures of the high end audio store.
In all too many experiences of my recent speaker auditioning, the process made me hesitant to want to go back to the store. (Though, there were certainly some very positive experiences as well).
