Shipping in the 2020s — Inflation, Infrastructure, and the Price of Steel.
When I was a kid, my dad ran a metal shop. Out back, he had heaps and heaps of scrap steel. Pieces of machines, broken tractors, metal shavings, odd cuts of steel plate. My dad did this because steel prices are volatile, and if he timed it right, he could clear his scrap inventory and realize large gains.