Share 'Crawlspace (and Spray Foam) from Hell'

People always say that Hell is “below”, I just never realized it was right below the floorboards.  We all know how many holes can be drilled through the sills and in the field for wiring and piping runs, without (traditionally) even a feeble effort made to seal them….  The house pictured below must have had a couple of hundred (including abandoned holes or "misfires" with nothing even going throu…