> all right. you're mapping out your game yo plan for this friday. how do you stay on task and on budget when you hit the storese ? ? joing us now live from our dallas news room, the professor from the university of texas arlington. you teach u a class on black friday. -- marketers will be pulling out e all the stops. what can we expect to see. >> in terms of products or sales. >> the tricks tmarketers maybe using to lur e us in. >> yeah, that's always interesting. we call it black friday because that is typically the day whenever the retailers thturn the corner and their income statements move out of the red and into the black but it's also a black friday idin terms s of behavior from consumers and retailers. dirty tactics with these limited supply only and while supplies last qualifiers on a lot of the offers. so if a couple of million circulars go out but only 5 tvs are available, that's not in the interest of consumers. so you really have to be a savvy shopper to get the super deals on black s friday. >> that's important. i was speaking with one of onyour colleagues earlier and he was saying that you say that t unethical marketing willca keep you at home. why is that . >> oh, yeah. well, because i value my sanity and my sleep and my d time with my faitmily a lot more than a good deal but i just think thatth, you know, friends in law enforcement and also employees al that work at these retail establishments say it's black friday because you see such, you know, bad behavior by other consumers...