When Artie suggests that Vladek has become so tight with money as a result of his experience in the camps, Mala snorts, "Fah! I went through the camps.... all our friends went through the camps. Nobody is like him!" Think back to the beginning of the book. What early evidence of Vladek's carefulness with money and resources might have led us to the same conclusion - that is, that he was stingy long before the camps?