Realtors know as well as anyone that humans are instinctively wired to be swayed by the bottom line and to scour for deals. Take two properties that are identical in every respect: location, square footage, condition, etc. Offer one for $250,000 and the other for $249,900 and guess which one sells first.
Obviously, real estate doesn't often offer properties which are identical in every respect, which is why the housing market isn't like Wal-Mart. Houses aren't uniform commodities and lowest price doesn't always win out. Consumers are willing to pay more for quality.
With all that in mind, here's a pretty sweet video from local band Tapes N' Tapes which illustrates the power of price. Stay tuned to the end of the clip for the full effect.