For small things, like 10-unit apartment complexes, the number of people available to run such projects in the 70s was probably pretty massive. Since then many

For small things, like 10-unit apartment complexes, the number of people available to run such projects in the 70s was probably pretty massive. Since then many people left the trades (presumably to mash their fat fingers at keyboards instead). Now projects like that are likely harder as the companies that can do it are 1) busy, 2) expensive, 3) not in your area.