What in God's name is going on with this mysterious house listing on Zillow?

"Please read carefully before scheduling showings," is the ominous, precedent-setting introduction to the most puzzling house listing you'll read all day (or all year).
If you're looking for your dream home in Cayce, South Carolina, and you have no reservations about possibly dead upstairs neighbors, look no further because this Zillow posting is ripe for the taking. Let's take a tour shall we?
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