Plus, my credit card also gives me money back at Costco specifically. And if you use the right one, you might snag your fair share of cash back even if you don't pay extra for an Executive membership like I do. Click here for a list of the best credit cards for Costco shoppers.

So many retailers are offering Black Friday deals right now, but it’s hard to know what’s a good deal and what isn’t when marketers play fast and loose with the term "Black Friday" all month long. That’s why we’re here, though — to help you decipher the real bargains from the inflated list prices (something Amazon’s notorious for).

Keep a clean home without blowing your budget by shopping the best Black Friday Roomba deals. Save up to 55% at Amazon, iRobot and more.