Costco online is sold out but the stores are not. The Samsung Gear S3 Frontier (Bluetooth version) is available for $249.99 (319.99 – instant $70) at my local warehouse and hopefully yours. Call for availability.
Disclaimer: The Costco website indicates that the warehouse prices may vary.
Link to sold-out Costco.com page:
https://www.costco.com/Samsung-Ge…89882.html