While you can get good discounts during both shopping events, we take a look at which is better between Black Friday and the Christmas sales.

Both retailers are offering price protection through most of the holiday shopping season as well, so if you buy early and the same item drops to a lower price, you can retroactively get that better deal.

Conversion rate optimization should be a priority for businesses that want to make the most of events like Black Friday and other peak sales periods.

iRobot Roomba i4+: was $599 now $485 @ Amazon The iRobot Roomba i4+ is a newer version of the i3+. We named the latter one of the best Roombas you can buy. Although we haven't tested the i4+, this model promises more battery life and the ability to detect dirtier areas of your home and focus on those areas.

You can save up to $300 off Samsung monitors, which is a great deal as it is, but during the Early Black Friday Sale, you can buy one monitor and get another one free. That’s not something you’re going to want to miss out on, so snap yours up while you can.

Black Friday is less than a month away, but you don't have to wait to shop early savings on top tech like tablets, phones, TVs, laptops, and more.

Right now Allbirds is taking up to 50% off sneakers. This includes the excellent Tree Flyer 2 running shoes on sale for $64 ($96 off.) We love these for their natural construction and stable feel underfoot.

Check out our Deals page for more discounts on our favorite Wirecutter picks. I’ve covered Black Friday sales for Wirecutter since 2016, vetting hundreds of thousands of bombastic bargain claims and navigating seas of mediocre “blowout” TV deals.

We're finding some great offers on popular models from Apple, HP, Lenovo ahead of the big shopping weekendThe deep holiday discounts on laptops, Chromebooks, and tablets are still going