> There's no shortage of construction workers or materials. In many countries there is a shortage, actually. Especially for construction workers. And a big li

> There's no shortage of construction workers or materials. In many countries there is a shortage, actually. Especially for construction workers. And a big limiting factor is the lack of money: money isn't unlimited and you can only spend each dollar once. You have to choose, so better spend it on the option with the biggest impact.