To maximize your bargain coverage for tomorrow’s big shopping event, I recommend taking a look at the TGI Black Friday site–in addition to your usual Bargain Feeder searches and feeds of course 
TGI Black Friday has all the major stores’ ad scans readily available, and even provides a nice search feature. There’s definitely a lot of fantastic Black Friday bargains from stores such as BestBuy, Staples, Office Depot, and many others.
Best of luck tomorrow with your Black Friday bargain hunting