Rebecca Yonker just purchased a 2 for 1 Groupon deal for Cedar Point. But now Groupon says it made a mistake. And she wants to know why that's her problem.

Why is this $ 252 Groupon mistake my problem?

When Rebecca Yonker found a two-for-one deal on Cedar Point amusement park tickets online, she jumped at the offer. For just $36, she could get two admissions to America’s Mecca of roller-coasters. That is, until she learned Groupon had made a mistake.Turns out, the offer was more like a one-for-one.