Using a different fraud coupon for the same product brand or not?

example, a coupon for $ 4 Schick Quattro Schick used titanuim Quatto in Schick Quattro for Women, I did and coupon work without problems, but there were people in a place that belongs to me called coupon fraud. The idea that their fraud is still questionable in my mind, because if the coupon then went through the store will refund the amount of the coupon. Some say yes others say no. I think it would be refunded by the store sometime this month has sold the product to be stated on the voucher and all they have to do is compare monthly sales with no coupon. Please, if you have any idea about this I would appreciate comments, suggestions or whatever, let me know and I do.

Legally, the store should not have accepted the coupon. The bar code on the single sample coupon is a coupon and the amount. The computer may not know if you really bought the item for the team. That said, if the cashier did not understand, you do not get caught.

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