Earlier quoted context omitted.
You have to insure each, pay license and taxes... most also need a parking spot.
A car's ownership costs are dominated by fuel and depreciation (which is a proxy for repairs and maintenance - brake pads, oil changes etc). You're probably going to come out ahead of the fixed costs of licensing, insurance, and registration on gasoline savings alone. The parking spot may or may not be an issue. If you can charge an EV at home, you likely have a garage or driveway. If not, then sure this doesn't appl…
Depends how much you drive. If you don't drive much to start, and then having two vehicles cuts that in half, your effectively-fixed costs go up - e.g. you start having to replace your tires because the rubber is getting too old long before the tread wears out, insurance doesn't scale down linearly for low-mileage drivers, etc.