Do the math. Are you really going to spend $14,000 in repairs on a $10,000 car over its lifespan?
I have not been stranded by a car in well over 20 years. Back in the days when I drove “inexpensive used cars” it happened enough to be a major headache on more than one occasion.
Then there is the piece of mind. You don’t even think about the possibility.
Well ... there's that. We hardly ever drive more than 20 miles from home and within that radius, cell phone service is perfect. Whenever we drive across the continent to visit relatives, we rent a car.
Within these parameters, driving a beater is just fine.