https://www.cnet.com/news/cyber-monday-2018-pixel-3-pixel-3-xl/

You can slash $200 from the price of any $400+ Android phone, with no trade-in requirement. However, you will need to buy the device on a payment plan. Bill credits are spread out over 24 months. 

Google's cutting $150 off the Pixel 3 (regularly $800) and $200 from the Pixel 3 XL (normally $900). You can use either phone with any carrier, and of course, shipping is free.