You should never spend more than 20% of you annual income on a car.
Where did that rule come from?
Comes from common sense!
Of course the banks/credit cards / car dealers want us to borrow everything we possibly can borrow so that we spend our whole life paying mostly the interest on the loan. The reality is called living within our means. Too many people are bought up to believe we can have anything we want.
and they save a whole whopping nickel off each unit. move a few million units and it's easily 100k+.
The savings are not on the cost of manufacture, the savings are in the warranty.
I used to work in a repair shop back in the days of walkmans, the single biggest repair job with these things, despite all the delicate electronics on-board, was re-soldering the headphone jack which had broken from the circuit board from all the tugging on the headphone lead.
There must be a significant cost to the manufacturer on repairing these items whilst they are under warranty.
And when you replace all the workers with robots, who's going to buy your fast food?
The newly trained technicians who design, develop, install and maintain the robots will have the income to buy the fast food.