Plenty of forces, from overly cautious lenders to inaccurate appraisals, are wrecking real estate deals right now. But one of the biggest roadblocks to getting a house sold these days is the disconnect between buyers and sellers.img src="http://feeds.feedburner.com/~r/rss/money_realestate/~4/PjlXB3QS-vc" height="1" width="1"/