The supermarkets may be suffering from competition from discounters, but on Black Friday that all goes out of the window as they come over all Aldi and go berserk for deals.
Tesco is no exception - it's so keen it's already launched some deals. Check out the best ones for Black Friday itself.
Getting serious about electronics
The Acer ES15 15.2" laptop comes with an Intel Pentium processor and 4GB of ram, and is on sale for £199, down from £270.
Not a keyboard person? If you're an Apple fan, Tesco is offering a Refurbished Apple iPad 4 for £239, down from £299 - or if you're more of an Android person, try the Samsung Galaxy Tab E, on sale for £99, down from £151.99. And if you just can't shake that Windows habit, the Windows Connect tablet is also on sale - a snip at £59, down from £70.
For the coffee lover in your life, the Tassimo Fidelia coffee machine is £39, down from £47.49, while the Russell Hobbs 20770 Purity Coffee Maker is £49.99, down from £79.99.
We're also excited about the ElectriQ elQ-RoboVac Robotic Vacuum Cleaner - it's £49.99, down from £69.98.
Lose the festive pounds in January
As well as a range of bikes, Tesco's cut prices on a set of Confidence Golf Esp All Graphite Golf Clubs - £99.99, down from £124.99.
If you're more serious about fitness, there's the Tunturi Classic Run 3.0 Treadmill, almost half price at £799, down from £1,499.99 - or the scary-looking Taurus Multi-Gym Machine WS7, £999 from £1199.
White goods for a white Christmas
Avoid the annual washing up argument with a Zanussi ZDF26001WA dishwasher (catchy name, guys) - currently £237.24, down from £349.99. Meanwhile, the Whirlpool ADG8900 is £278.68, down from £349.99.
Or give your turkey the storage it deserves, with an LG GSB760PZXZ American Fridge Freezer which is £729.16. And keep your festive booze cool with a CDA FWC303SS 20 Bottle free-standing wine fridge, currently £257.96, down from £319.99.
Want something a little more high-end? Check out John Lewis' best Black Friday deals