Welcome to CHEAP, our series about things that are good, but most of all, cheap.

Although there are a few oddballs out there, very few of us like cleaning.

Yes, the aftermath can be hugely pleasurable, but could you imagine how much better life would be if stuff just got magically clean?

Well, that’s the experience you can get with the famous Roomba series of robotic vacuums from iRobot.

And — surprise, surprise, surprise — there’s a great deal running on one of these excellent models: the Roomba 690.

Normally, the Roomba 690 retails for $349.99, but not today.

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