Sameera planned carefully for her attempt at breaking a world record. She obtained permission from the store where her attempt would take place, and even made sure to alert media outlets ahead of time. She even brought the proper equipment and a support team. What record was she out to break? She sought to make the most expensive single free Starbucks drink of all time. The initial cash register total was more than $60, but scanning her loyalty card brought the total down to $57.75. You know, only $57.75. The previous record, as you may have learned from Consumerist or...