Best Buy offers the Samsung SmartThings ADT Carbon Monoxide Alarm for $9.99. Choose in-store pickup to avoid the $5.49 shipping fee. That's $10 under our January mention and the lowest price we've seen. (It's the best deal now by $6.) It can send alerts to your smartphone via the SmartThings Mobile app.
Here's how to ditch cable and satellite TV — and save a bundle — without giving up your favorite shows or features.