Best Buy offers My Best Buy account holders the Ring Home Security Kit with the third-generation Amazon Echo Dot for $149.99 with free shipping. (Sign in to your account to get this price and click "Apply Offer" before adding it to cart. The Echo Dot appears in-cart.) That's $30 below our mention of the kit alone from last August and $19 under the lowest price we could find for the kit alone today, although most retailers charge $199. It features: Base station with 104-decibel siren contact sensor motion detector keypad range extender