Inspectors need to be concerned with more than foreclosed properties because more and more people are calculating the numbers and walking away from their homes and mortgages because the house is worth less than the mortgage. These are people who can afford to pay their mortgages but figure it makes more sense to leave it behind. The Chicago Tribune describes this at http://www.chicagotribune.com/classified/realestate/sc-biz-0318-walkaway–20100317,0,3899914.story