The best smart locks can help anyone who constantly misplaces keys, wants keyless entry options, or frequently wonders whether they locked the front door. I'm in the latter camp. After years in tiny apartments, I now own a three-story townhouse that makes checking the front door a literal journey to the bottom floor of the house. A great smart lock makes opening and locking your front door a breeze. It should offer multiple entry options, from keypads to auto-unlocking when you walk up, and keep your front door safely locked for you. These locks also make it easy to give friends and family entry codes, so you don't have to keep track or hand out spare keys. If you're curious which smart lock is best for you, you've come to the right place. From a design-forward smart lock to my retrofit recommendation for renters , there's a smart lock here for everyone and every entry point in your house—even the sliding door and garage . Here's everything I recommend after two years of smart lock testing.…