Two things: 1. The cost is absorbed by another entity, usually the parents. It is the parents' car, or your parents bought you a car. You need some quick cash, so you basically "eat out" of that car to generate that "cash". 2. You are trapped in a situation where you need quick cash. So you "eat out" of your vehicle to generate that cash. This also happens when you have a low "realization" consciousness. (ie: You are…
I saw a Dominos delivery driver in a high end Jaguar. I can only presume it was a young person borrowing their parents' car to do deliveries as their summer job or whatnot. It was amusing to me (having an economics background), because I couldn't figure out what the lesson was being taught here.
Doing some back of napkin math, there was absolutely no way for this kid to generate enough money to make up for the cost of operating this car in a suburban neighborhood. Between the high maintenance cost and the low gas mileage of a luxury car, he was losing money every minute that the jag was being operated (barring, of course, some insane tips for big orders).
As far as real estate: yes, it doesn't take a financial genius to realize that renting income after all expenses is far lower than most people estimate and net profit hovers around $0-100 in vast majority of even profitable cases. Besides, you aren't the first person to think about investing in RE, so all the economic profit is generally already priced into the value of land, so you won't be able to get a bargain.