What does Walter Lee Jr want to do with the insurance money when the Younger family initially receive the money?

Walter Lee Jr wants to use the money to open a liquor store with his friends, Willy and Bobo. Mama detests the idea, as she is deeply religious and says that it is "against god and his teachings to open a liquor store" and she "does not want any son of hers to be associated with a liquor store.