I'm a millennial who's obsessed with Stanley cups. They remind me of collecting 'Harry Potter' books, and I even bought some on my wedding day

Courtesy of Kaitlin Gostel Kaitlin Gostel has nearly 40 Stanley cups. She estimates she's spent well over $2,500 on the brand. Gostel says the rush to buy limited-edition cups reminds her of getting new "Harry Potter" books. She even ordered some in the bathroom on her wedding day, shortly after…

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