BOGO

I've recently been bombarded with the supposedly wonderful retail news that I can BOGO. 

Payless Shoes says I can BOGO. 

Applebee's has a BOGO drink special going on. 

Here a BOGO, there a BOGO, everywhere a BOGO-BOGO. 

And what does BOGO stand for? Buy One Get One 

Well, excuse me, but isn't that what one would normally expect from any purchasing transaction?