A former McDonald’s employee says you should always ask for a receipt. According to Kamran Adnan, who says he worked at a London McDonald’s for a year, “In the UK we have 2 periods which are known as Gapbuster Times. Basically between 12-2 and 5pm-7pm workers have to be extra careful because that is when gapbusters (mystery shoppers), who are paid, visit McDonald’s restaurants and rate their experience.”

According to Adnan, “It is easy to spot a gapbuster because they always ask for a receipt (so they can get their food costs reimbursed by the company employing them). So, if you ask for a receipt in that time everyone will be immediately alert that you could be a potential gapbuster and they’ll make sure to serve you the freshest burger and fries and give you priority over everyone else.”
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