Instead of a steak to steak comparison they said in economic downturns people buy hamburger instead of steak so thus the CPI has gone down or is unchanged.

A billion hamburgers here and a billion hamburgers there adds up to a lot of money.Being a positive person, I am confident that our business will provide us the means to make us both millionaires, if not multimillionaires.

but many businesses, like say, McDonalds, are not just about selling hamburgers, but about acquiring real estate.anyhow.

Is that the same as "any restaurant" or does that mean an Italian restaurant, hamburger sit down restaurant, etc.?

No one asks McDonald's what their profit margin is for a hamburger. 

It is in desperate need of a new roof, so my in-laws (who just sold their house to move in) wanted to just pay for a new one for 30,000 €  (we live in Hamburg, Germany).But what if we combined our capital for a down payment on a loan and rehabbed this house into a fully functioning modern triplex. 

@Emma Powell  I don't like to a poo-poo ideas, but if you're asking these kinds of questions I would highly advise you DO NOT become a hard money lender just yet - you're asking to get your buns kicked. 

The theme in my 23 STRs is Hugh Hefner's mansion.Unit Structure:  You are overthinking it.Pricing unit quality:  I have places that I describe as "Steak and Potatoes" and places I describe as "Hamburger and French Fry" and places I describe as "Hot Dog and Potato Chips". 

Here is a link to an interview we (Equity Team- Will Hamburg and myself) did with Sedona, Arizona Mayor Scott Jablow.

As you find seasoned investors, you can ask to take them breakfast or lunch on YOUR nickel (and I'm not talking about a cheap hamburger).