Bit specific, but are there any websites that deal in used sales for Asian or obscure instruments? Trying to track down a semi-reasonable priced erhu or guqin is wildly difficult. You either only find Amazon produced knockoffs, or markets flooded with unbranded instruments... that, or you can go over to ebay and drop a couple thousand on a real one with some pedigree.

I'm looking for the middle of the road, used ones that won't absolutely destroy my bank account if possible.