TL;DR: This Philips Smart Deadbolt switches your keys for a fingerprint, PIN, and app control - and it's on sale for $110.49 (reg. $179.99). Imagine never fumbling for keys again - just a quick touch ...

Your front door lock is your first line of defense from the outside world. It’s also the piece of home security you use more than any other. If your lock hasn’t been replaced in a while—or if it’s the ...