The Mashable Shopping team spends every morning year-round writing about the best deals of the day. That means we're extremely familiar with historical sale pricing for all of the products we cover. We also spend all year testing products for our reviews and buying guides.

It's Cyber Monday! If your inbox is looking like markdown mayhem, we can help you sort it all out. We've been hard at work monitoring price trackers for the deepest discounts on both the biggest brands and under-the-radar finds,

Amazon's Cyber Monday has begun. Here's what to know about shopping the sale, including how long deals will last.