We've covered various connected home security systems from the likes of Nest and Ring, but these systems can cost hundreds of dollars. That's just for a starter kit, too. You might get north of a grand before all your doors and windows are linked up. Enter Wyze, which has made a name selling ultra-cheap security cameras. The new Wyze Sense system costs a mere $20, and pairs with your existing Wyze cameras.

It would be unreasonable to expect the same performance from Wyze Sense that you'd get from something like Nest Secure, and indeed, it's not that powerful. However, you do get a surprising amount of functionality for chump change.

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