A batch of Amazon Cyber Monday Week Lightning Deals is available today, with more than 400 total offers over the course of the day. Lightning Deals are short-lived, low-inventory, aggressively-priced deals from Amazon. The better the deal, the more likely it will sell out extremely quickly (e.g., a few seconds). Today's deals include electronics, toys, jewelry, kitchen items, and more. Deals start as late as 12:30 am ET.