Huawei Refurbished Google Nexus 6P 4G w/ 32GB Memory Cell Phone is $349 @Best Buy EBAY. 90 day warranty so might want to look at a SquareTrade warranty.
Huawei Refurbished Google Nexus 6P 4G w/ 32GB Memory Cell Phone (Unlocked) Matte
Should be able to use this with Google Fi I believe.
Phones...