Especially the ones that use a lot of metal & glass. 

I'm sorry, but I'm not too familiar with the Treasure Coast. 

Gold is similar to bitcoin; The metal itself has only the value that the markets think it has.

Other ways of using SDIRAs could be to invest in syndications, performing  or non-performing debt, precious metals, raw land, precious metals, mobile home parks, self-storage facilities and more. 

Tariffs won't have much initial impact as 83% of US economy is Services and unimpacted, and of the goods part of economy, we Import far more than we Export so tariffs on either side will hurt foreigners far more than USA, but trade war will degrade GDP, so 10yr yield will fall more from that lower expected GDP than from mild inflation causing it to rise, but this is all irrelevant short term "re-arranging deck chairs on the Titanic", so to speakHighly selective Real Estate picking/management or very selective Value based stock picking or precious metals will be the probable course to Navigate the next 30+ years. 

Metal above guter could use a power wash.

All lights were green and there was a pileup, leaving behind a mess of twisted metal and broken glass, and a few personal injuries to boot.The syndicator crowd coined the phrase "survive until '25" under the hope that by 2025 interest rates would correct and their deals would be fine. 

It would make more sense to build with concrete or block and have tile or metal roofs than standard stick built with asphalt shingles .

I have a new-construction SFR property under contract, and the seller disclosed that there had been heavy metal contamination in the soil due to mining activity many years ago.

Metal trusses and roof.