Quote Originally Posted by Killersai View Post
undercutting is when you list something for 5000 and someone puts the same item at 4999 so it appears right above yours.
Which is a perfectly fine thing to do. If they have time to stick to the market board to undercut everyone to ensure their product is being sold, then they deserve it.

Now if we're to bring bots to the equation, then it's not a fault of the market board system itself. But SE's fault for their lack of action against them.