If you're visiting both cities and the countryside, rent a car only for the countryside part. How light are you traveling? There's no question about it: lugging suitcases on and off trains and to and from train stations is no fun. But if you're only visiting cities, I still recommend not renting a car.
What is the fine for not paying a toll in Italy?
If you receive a collection letter from the Italian collection agency, do not wait too long to pay. If you do not pay the bill on time, additional charges may apply. These fees range between €87 and €344. So pay on time and avoid additional charges.
What is a Telepass in Italy?
GO by Telepass is a plan designed for light vehicles (cars, motorbikes) that lets you pay, with a single device, motorway tolls; affiliated cark parks in Italy, France, Spain, and Portugal; ferries; and congestion charge in Milan (Area C).