text: Second, the amount of money that would need to be put into this action. If driverless cars were to become a part of today's society then we would be wasting alot of money to make one car. What if people can't afford to pay for a self-driving car? Then will the smart cars still be able to risk the possibility of crashes when all the other cars or drivers on the street aren't safe. The smart car can't detect everything. To make a driverless car the vehicle needs a lot of sensors. Sensors are not cheap and the car needs a lot of them, that's roughly a couple million dollors.