Perhaps you could use one house as an Airbnb destination for JBL aficionados. . .
Easier, and possibly more profitable, to just bulldoze it and sell the property. A 75-year-old un-air-conditioned house with an oil furnace, tiny bedrooms, old windows, and cast-iron radiators is way too expensive to modernize. Still deciding.
". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers