Back in ICC there was a raid warning addon which changed the game's environment to provide illustrations for boss encounters. The addon was said to have been manipulating the game environment and banned. I've known about AH sniping for a while, but the reality hadn't set in until recently when I had seen it in play. The point of this post is simple: AH sniping should not be allowed.
Sniping means someone will leave their game open and have computer software search through the AH for items listed below a certain threshold. If any items match the search criteria, they are bought.
The Problem: The software is buying the items for the player, making it impossible for any human who had posted the item to react in time. Just with the addon in ICC, the software should not be playing the game for the player, but instead helping them to play the game. This software is performing actions on the player's behalf.
My suggestion: just the same as how Gmail gives 30 seconds before an email is really sent, auction house posting should be given 30 seconds before the item is really "live." You should be able to see it in your auctions tab and click cancel if you notice something is off. This will allow players the opportunity to review their choices and if they REALLY believe what they are doing, then the AH goes live. If not, or they don't care enough to check, then they must live with their decision. Just like how we have checks before trading items to other players now, there should be a check here as well.
This is a good suggestion as its impact on the game is minimal to none. It only benefits those who have realized they made a mistake within an acceptable timeframe.
Sniping is dirty. It mainly targets new players to take advantage of their inexperience and destroys veterans who have simply made a humane mistake. There is no secret or skill to what is being done, it is simply crushing other players who make common mistakes. While I personally don't agree that any part of it can be justified as playing the game and it's probably one of the few ways you could really attribute "no life" to a WoW player, giving someone 30 seconds of review before an item is posted could alleviate a lot of this problem.
e: Well you all have proven something is definitely broken here. I ask for 30 seconds of revival before an item goes live, nothing else changes, and you won't even consider it. Try to remember we're all people here before you decide to be so ruthless. Mercy will be shown to you, but you can't show it yourself.