Ebay offers Nest x Yale Smart Lock with Nest Connect - Black Suede for $229 (reg $279) with free shipping.

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Product Description:
Meet the secure, tamper-proof smart lock from Nest and Yale. Its keyless, so you can lock and unlock the door from anywhere with the Nest app.[1] Give people you trust a passcode instead of a key, and get alerts when they come and go. And lock the door with a tap. If you forget, the Nest x Yale Lock even reminds you.
Features

• Keyless entry with LED keypad
• Compatible with most standard doors
• Works with the Nest App
• Unique passcodes
• Battery-powered
• Bluetooth
• Model: RB-YRD540-WV-BSP