Every retail or service person has learned the hard way why you don't make exceptions for customers and guests. It's always the customer you think is level-headed, sane, and "gets it" who ends up being a woefully entitled complainer, review bomber, or exceptionalist. These people will go feral on you and make your life a verifiable living hell for a few weeks until they've done the damage they're seeking and disappear into the void of their miserable existence to ruin someone else's day.
The commenters have the right of it here: Never under any exceptions should you ever remain alone with a customer—especially when handling cash. They're a stranger, of whom you have no prior knowledge, and you should never underestimate what someone is capable of. There's a reason most organizations have firm rules about this; it's incredibly important for staff safety.
This server/manager shared their story of completely underestimating a couple by letting them stay late, thinking that they would be cool about it. Others took to the comment section to share stories of their own in the ensuing thread. Keep reading and for more, check out these hollandaise hating Karens who tried to dine and dash.
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