What do you think are the cheapest and most expensive means of transport?

Public transportation options like buses and trains generally offer affordable fares. On the other hand, owning and operating a personal vehicle is among the most expensive options due to the cost of purchasing, insurance, fuel, maintenance, and even taxes. Additionally, air travel, especially for long distances or premium classes, can be costly considering ticket prices, [...]

I think the cheapest means of transport is the bus, while the most expensive is likely an airplane. Airplanes can carry a large number of people and travel long distances in just a few hours. They also offer amenities like food and restrooms. Buses, on the other hand, have limited routes and take longer to [...]