On Sat, 12 Nov 2016 13:51:10 -0500, Keyser Söze
wrote:

Restoring something that is unique and rare and sought after can provide
substantial returns on investment. An old fiberglass boat rarely falls
into that category.

That is true but at that point we are talking about a piece of art,
not a boat you use regularly.
I know a guy in Tampa who does cars.
There is well over 3 megabucks in this barn
http://gfretwell.com/ftp/Bobs%20barn.jpg