Dell is offering discounts on laptops, desktops, and other products. The sale begins Thanksgiving morning at 7 a.m. EST.
Kmart's Black Friday sale started back in early November and continues through the holiday season; the company releases its specific deals for the week by ZIP code, so check its website for details. Electronics will get special treatment, with markdowns on HDTVs and GPS units.
Wal-Mart also is waiting to announce its best deals until closer to Black Friday itself; visit its website to be among the first to know. Retail experts say Wal-Mart, like Best Buy, will offer online deals that aren't available in stores.
Target is offering free shipping on thousands of products, including electronics, toys, and kitchen gear.
Toys "R" Us will open its doors at 5 a.m. on Black Friday and greet customers with deep discounts—33 to 80 percent off—on a variety of items, including Thomas & Friends train sets and Huffy scooters.