Can't speak to the rest, but lumber has had significant import tariffs to the US for decades. So it doesn't seem as if relative affordability of that commodity

Can't speak to the rest, but lumber has had significant import tariffs to the US for decades. So it doesn't seem as if relative affordability of that commodity is an issue (at least for the last four decades). https://en.wikipedia.org/wiki/Canada%E2%80%93United_States_softwood_lumber_dispute https://en.wikipedia.org/wiki/Canada%E2%80%93United_States_s...