If it is an acceptable price - I'll buy. Very Easy.
If it is marginal, I try to find multiple items from the same vendor and make an offer on the lot. I'd say about 80% of the time, they take my offer. 15%, they get close enough and I take their counter.
If the price is "outrageous", I'll express an interest and ask what is special/unique about their piece to command the asking price. Sometimes that leads to a conversation friendly to negotiations within my price range. If we can't quite get there, I'll may attempt to return towards the end of the meet and simply state "I'll still take it for $x". Sometimes it works, sometimes it doesn't.
