Amazon cuts 20% off a selection of Samsung SmartThings. (Prices are as marked.) Plus, Prime members receive free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping starts around $7.) These SmartThings purport to let you control, monitor, and secure your home from anywhere in the world.

Buy Now

A couple of best bets:
-- Samsung SmartThings Hub for $79 (low by $1)
-- Samsung SmartThings Home Monitoring Kit for $199 (pictured, low by $1)