We'd like to think Mother Nature can take care of our lawns just fine on her own, but unfortunately, that's not true in most locations. Luckily, you can be your own Mother Nature with the Rachio Smart Sprinkler Controller. Once connected to your existing setup, you'll be able to schedule waterings optimized for your lawn that help save water and money. Today on Woot, you can grab a factory reconditioned 2nd generation unit for just $79.99.

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