Rummage.

Description:

When shabby, disorganized Mr. Portwine, a rummage salesman, lets his neighbors in the street market bully him into making his stall neater and more specialized, he finds that his customers liked him better the way he was.

subjects: Children's stories, Australian,  Fiction,  Flea markets,  Selling,  Children's fiction,  Sales personnel, fiction,  Child and youth fiction