Understand why casinos and racetracks stay in business - the gambler always loses over the long term.
Marilyn vos SavantKnow how and how much to tip people who expect gratuities, even in the case of poor service.
Marilyn vos SavantUnderstand why casinos and racetracks stay in business - the gambler always loses over the long term.
Marilyn vos SavantKnow how and how much to tip people who expect gratuities, even in the case of poor service.
Marilyn vos Savant