how is the theme of money and its effect on a characters attitude seen in pip and joe

how is the theme of money and its effect on a character's attitude seen in pip and joe in chapters 1-28?

how does money effect pips character how does it change? how does money effect joes charcater , if at all? what is joes relationship to money? Does he ever seem to want or need it? What would he do with money if he had it? Why does Pip want money?