Market Wards vs AH

[Spellstar]

... It's called "impulse purchase", it's a very important part of any prosperous economy, and it's completely excluded in Auction Houses.

There's still some walking involved, also Auction houses normally involve scrolling between long lists of items which isn't less time consuming thanm "walking to someone with a star on his head".

Impulse purchases are not excluded from an AH they can be browsed just like a retainers little list can be browsed.