Dell Home offers the second-generation Samsung SmartThings Hub for $49.99 with free shipping. (SmartThings, Newegg, and Amazon among other stores charge about the same.) That's the best deal we could find now by $7 and within a buck of the lowest price we've seen. (We saw it for $49 on Cyber Monday.) The hub allows you to connect all of your smart locks, lights, outlets, and thermostats and control them with your smartphone via the free SmartThings app. It's compatible with iOS, Android, and Windows Phone.