Compare what kind of house you can get for $400,000 in six markets across the country. First, we check out a low-country standout in a colorful neighborhood near Charleston, S.C., and then it's off to a loft in downtown Knoxville, Tenn. A revived modern ranch in Austin, Texas, rounds out this trio of homes that have nothing in common but their price range. We wrap with a quick look at homes in Edmond, Okla., Oakland, Calif., and Shreveport, La.