Amazon offers the 2nd Gen August Bluetooth Keyless Smart Lock (works w/ Amazon Alexa & others) for a low $182.99 plus Free Shipping. This sells for full price ($230) at most places, so you are saving 20% off.

• Safe keyless access to your home with iOS and Android smartphones
• Easy DIY retrofit install, replace the interior of your existing deadbolt only
• Auto-unlock when you arrive home. Auto-locks after you're inside
• When batteries need replacing, you'll be notified by the August app