In the process of trying to get flagged for the raid in GH, I decided that I would occasionally peruse the AH for GH relics in an effort to avoid having to spend my entire life in that area.
And while I can find them for sale readily, I don't want to bankrupt myself in the process. Seems someone keeps putting up the same sets of GH relics in 10-group increments and asks something like 38,000 platinum for them. Individual relics often sell for 5k plat each.
I'm all for making a profit in this game, but I don't know anyone who can afford to pay 5,000 platinum PER relic. I'll pay 1k or even 2k for a relic. But not much more than that. Plus, I don't need 10 of any of them at this point. And I can't imagine why anyone would buy them in groups of 10, unless your intention is to just skip adventuring in the area altogether, which seems kind of silly.
So, to whoever it is that keeps posting the same items over and over again. Get the hint - no one is going to buy them. If you want them to sell at all, consider reducing your price, and break them up into small units. Maybe vary it a bit. I think you'll have much better results.