This is a nice theory, but doesn't really hold up in practice. For bartering to work, the other party has to hold an interest in what you have, a $1 bill and $1

This is a nice theory, but doesn't really hold up in practice. For bartering to work, the other party has to hold an interest in what you have, a $1 bill and $1 cigarette are not interchangeable in that sense. If you want to buy bread but the baker doesn't smoke, what good would your cigarettes do for him?