These seem pretty popular on Northisle, I don't know if they happen on the other servers the same amount. They do seem like a good idea, but they leave the trade channel pretty flooded and it becomes a mess when 2-3 people decide to start auctioning stuff at the same time.

So why not allow auctions to be created much like trade offers? You could assign items to the auction in a similar way to the adventure loot, ie a slot per item type with maybe 8 or so slots and no stack limit per slot.

This would also stop the issues with people overrunning their own auction times when they see bidding is still going on and it would also only allow people to bid if they actually have the materials they are bidding with. You would also be able to pick what resource you want paying in (so its not limited to using gold coins)

Added a poll just to see if there is interest without people having to reply with a message.