In February 2020, Panera Bread announced the Unlimited Sip Club and rocked the coffee world. For just $8.99 a month, members could get unlimited refills of their favorite coffee or hot tea at any Panera location. With the average American consumer spending more than $2,000 a year on coffee, this sounded like an incredible deal for coffee drinkers — begging the question, how could Panera possibly justify such generosity?