https://www.cnet.com/news/cyber-monday-2018-sales-deals-at-best-buy-amazon-walmart-target-newegg-kohls-gamestop-office-depot-available-now/

Online sale prices available now, with time-limited Lightning Deals throughout the weekend, Cyber Monday and into the week beyond ("Cyber Week"). A vast majority of Amazon devices (Echo speakers, Fire tablets, Fire TV streamers, Ring doorbells, Blink security cameras and more) are still on sale for some of the best prices of the year; some sale prices may end after Monday, others will continue and/or come back later in December, if Amazon follows its plan from previous years.

More Cyber Monday deals start at 12:01 a.m. PT / 3:01 a.m. ET Monday.