[Avodah] parnassa segula

[Rich, Joel]

A caterer recently told me that a segula for parnassa is to wrap leftover bread separately for disposal. Anyone know the source (I couldn't find it) although I'm guessing it's based on Chulin 105b (getting rid of even crumbs directly can cause poverty - at least in certain cases). So should all bread (food?) be treated like tashmishei mitzvah for disposal? Is bread different from other foods (and why?) [Is kzayit a dividing line (and why)?]

KT
Joel Rich

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