Can people in States easily walk or drive to different places or cities? /u/Mimilon No such thing as stupid questions

I have watched many American movies where the main character wanders around different locations, sometimes in cities, forests, gas stations or deserts. Could they do that in real life?

Let me explain further. I just want to know how they earn money to pay for food, gas and accommodation while traveling and living. Are they welcomed like in the movies?

I have watched many American movies where the main character wanders around different locations, sometimes in cities, forests, gas stations or deserts. Could they do that in real life?

Let me explain further. I just want to know how they earn money to pay for food, gas and accommodation while traveling and living. Are they welcomed like in the movies?