The Kärcher K2 uses a 110-bar pressure to clean bicycles, garden tools and furniture for the garden, patio or balcony. It also comes with a high-pressure gun, Vario Power spray lance and dirt blaster.

A common practice among retailers is to mark prices up ahead of Black Friday so that they can offer a steep discount. For instance, a $300 TV that's regularly on sale gets a price bump to $500 and then a 50% discount to $250 to make it look like you're getting a good deal.

Friday, we shop! Black Friday is a once-a-year opportunity to save in ways you’ve never saved before. Or, is it? Weren’t there ads for Black Friday deals last week? And won’t there still be sales on Saturday?

Save big on some of our editor's favorite gadgets and gizmos of the year, as well as some of the best in gaming, home, and kitchen tech for discounted prices.