I'm in the region and happen to have one of those coupons. Mine rang up differently, with a price four two, and then a discount for the price of one, but it still showed BOGO, so I don't believe it wasn't just the cashier manually crediting me.

The regular price on the board was $3.09 (meal was more), so I paid that price plus tax. The region has also had a two for $4 promo on Croissan’wich for several months. I didn't buy a single, as I didn't need three sandwiches, but if a lower price would have been charged, it wouldn't have been a published value.

So, if you get charged less than the listed price, and sue, do you just get the legal obligation to pay the difference?