Its interesting that when true hoarders collect things that are
actually valuable, they usually manage to make them worthless by the
time somebody else gets em.

There was guy down near Centralia Washington that collected cars- at
his peak, he had something like 2000 of em. He was sure every one was
"valuable" and would never sell. And as they sat, they rotted, tires
grew thru the hoods, paint and chrome peeled, engines rusted solid, and
when he finally died, and the family had to dispose of them, virtually
none of them were worth anything, even as parts.

I have seen this same thing happen with tool collectors- the old guys
are so sure that the stuff is worth a fortune, they routinely chase
away people who would actually reuse, restore, or understand their
tools, and want to pay reasonable prices for them- and so, in the end,
it all becomes scrap.

There was a famous junkyard in Richmond Virginia, where the old guy
saved Steam Railroad engines, and other huge machines. He never would
sell, convinced he was sitting on a gold mine. Well, when he died, the
relatives found he was- and it was the real estate. The land itself was
worth a lot, the scrap metal on it was just that- scrap metal. A
foundation was set up to save the oldest engines, and the relatives
gave them away for free- and if it had happened 20 or 30 years earlier,
there would have been a lot more to save- age, weather, and vandals had
taken a severe toll. While alive, he cagily quoted prices of a hundred
thousand dollars for a steam engine, and when he died, they were free
for the hauling. Assuming you could afford to haul something that was
80 feet long and weighed 20 tons.