This Kwikset Kevo Convert Electronic Smart Door Lock originally $149.99 drops to just $79.99 at BestBuy.com. You save 47% off the retail price for this smart door lock. Plus, this item ships free. This is the lowest price we could find online by about $30. The Kwikset Kevo Convert Electronic Smart Door Lock features the Kevo app to manage access, track users, and sharing virtual access for visitors. Sales tax is charged in most states. Deal expires January 23, 2019.