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FESTUS, Mo. (KSDK) - A cave house hit the auction block Sunday in Festus.

Bidding on the unique residence started at $100,000 and quickly climbed to $220,000.

However, sellers Curt and Deborah Sleeper are still accepting bids on the cave home for another two days.

If they do not receive a more satisfactory bid, they will attempt to sell the cave home through more traditional means.

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