Jonathan Alcorn/Reuters
So here's where to go when everything gets crazy:
Amazon
The online retailer is the father of Black Friday in the
ASDA
Owned by American retail giant Walmart, ASDA joins Amazon as one of the main companies behind Black Friday's introduction to the UK. Its sales start at 8am on Friday, and this year will it will also host a second sale on Saturday. As of Thursday morning, one offer is a 40inch flat-screen TV for £139.
Apple Store UK
Ever mysterious, as of Thursday morning Apple was yet to reveal what its reductions will be. In the US, the company is giving away gift cards with purchases - but there's speculation that the UK will get price drops instead.
John Lewis
John Lewis
Argos
Argos' discounts are on a timer and start at midnight. Customers can reserve online and pick up "Black Friday bargains" instantly in store.
GAME
Flickr/hypergame1
Gamers take note, this year the company will make "hourly announcements" from 6pm on Thursday. One sneak peak is FIFA 15 for £31.75. The complete sale begins at midnight and in stores from 11:59pm.
PC World
The computer retailer brands its Black Friday sales as a "Black Tag Event". Its offers start at 8am on Friday, but it's not clear whether reductions will also be available online.
Disclosure: Jeff Bezos is an investor in Business Insider through his personal investment company Bezos Expeditions.