Bob Greene : Businesses exist to make profit . But would they stoop to charging for carry - on ? At least one small carrier does , he says . Such a business move ##s customers . I was n't here when we started it . He says Chicago banks once charged $ 3 to bank with a teller . They had to drop fee . Greene : For exasperated public , ` ` We do n't charge you to carry your bag '' can seem a bargain .
Bob Greene : Businesses exist to make profit . But would they stoop to charging for carry - on ? At least one small carrier does , he says . Such a business move ##s customers . He says Chicago banks once charged $ 3 to bank with a teller . They had to drop fee . Greene : For exasperated public , ` ` We do n't charge you to carry your bag '' can seem a bargain .