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Audiogon support isn't professional and have VERY limited knowledge on how to build functionality in general. To purchase locally, you need to go craigslist. Audiogon may even block this feature so you don't offer local pickup for cash. Audiogon needs to make its dough as well.

Well, @lalitk it's far more simpler than that.
I sell on craigslist as well as retail store and as well as internet. First high caliber gear is offered directly to customers who wish to pick it up locally, than it goes CL and THAN it goes to public such as ebay, canuk...
Last time sold on CL Gibson Custom Johnny A sunburst archtop $3k It's not audiophile, but I'd say quite a caliber gear. Same applies to audio.
Recent audio gear sold was Pioneer SX1380 for nearly $2k.
Been sellin' super long time professionally making living so I'll just clear my throat pal...