Real estate lets you leverage a lot. So if you have $1 million in equity from an existing property, you can borrow against that $1 million, and put a down payment on a $5 million property.

Assuming your cash flow can cover monthly costs, then you will eventually gain back equity on both properties, and then borrow more money to buy an even more expensive property.

Leverage lets you grow a business faster than normal. The downside is that, if you run into a cash flow interruption, you're more at risk of losing everything

2015 was before we fully recovered from the recession, non stem degrees were still in the dumps then. They've recovered a lot since then

Prices represent trade of goods and services, currency is just a middleman.

It takes a lot of goods and services to create food and get it to people's mouths before it goes bad.

Those goods and services themselves require a lot of goods and services to create and get it to farms where the food is grown