Once fully occupied they could be sealed from the outside, loaded on trucks, taken to the docks and loaded on a container ship, which could be sailed into the open ocean and torpedoed. Sounds like a win win.
NAH, good idea but too expensive. Seal the doors and hook up a firehose to the waste outlet. Fill it up, wait overnight, stand ‘em on end to drain. And then recycle the water for the next rat trap free gypo housing unit.