It costs 1 billion dollars a mile to dig subway tunnels in San Francisco and Los Angeles. Improving tunnel digging technology would help bring those costs down

It costs 1 billion dollars a mile to dig subway tunnels in San Francisco and Los Angeles. Improving tunnel digging technology would help bring those costs down. The American solution to every problem is to spend more money as money is the universal and only sufficient remedy to all problems. Eventually, you run into a situation where spending more money makes things worse such as with health care. Sometimes it's better to invest in lowering the cost of things instead.