[randomdata]

> Buy houses and lots, keep them empty, and speculate on their value.

But then the profit is given to whomever previously owned the property. What are they going to do with it?

> Or just build their 6th mansion

That puts people to work, violating the premise here.

[yowzadave]

You should familiarize yourself with the actual research on this topic, since ill-informed speculation on well-studied topics doesn't contribute to a helpful discussion. The subject you want to study is called "marginal propensity to consume."

[randomdata]

> You should familiarize yourself with the actual research on this topic

That's why we are here, but, frankly, I'll take ill-informed speculation over whatever the hell this is. What on earth is the point of using a discussion forum if you are going to outsource the useful words to other people? If they wanted to contribute to the discussion, they would do so themselves.

In fairness, perhaps you accidentally hit submit before you were finished?