https://www.cnet.com/news/get-a-refurbished-first-generation-unlocked-google-pixel-xl-for-160/

Take note that these deals are for the phone only: You get a USB-C cable, but no other accessories. As for the warranty, Google covers you for 90 days (according to the accompanying warranty PDF), but Amazon proper offers a 90-day Amazon Renewed Guarantee.

Also, these are GSM models, so they'll work with AT&T, T-Mobile and the smaller carriers that use their networks (such as Cricket and Mint Mobile). They won't work with Sprint, Verizon or any of their licensee carriers.