Great story, Via Core77

How much damage could be done, monetarily speaking, if your home was flooded with more than two feet of water? Insurance might cover it, though you’d have to fill out paperwork and wait for months or years while rot and mold set in. In the meantime you’d have to replace any floorstanding appliances, possibly your car, and repair whatever structural and electrical damage had been done.
Texas homeowner Randy Wagner did some math and figured that the cost of flooding damage to his home would far exceed $8,300–which is what he paid for an AquaDam, a clever, water-filled take on sandbag dams. Wagner’s bet paid off handsomely: When flooding hit Brazoria County, Texas earlier this month, Wagner preserved a miraculous island of dryness for himself and his family, while the neighbors all got washed out. Take a look:

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