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3) The house must be kept clean of cat hair. I agreed to buy a
Roomba to help with the cleaning.
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Excellent idea- these things are awesome. Just be sure to clean out the bearings frequently (like every other time you run it).
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4) Cat litter must be kept in order. I agreed to buy a
littermaid to help with that.
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I would recommend against the littermaid. I was thinking of getting one and read a lot reviews that said it was poorly made, the rake got jammed up a lot, the motor was underpowered, and you have to buy special little plastic bins to hold the [censored]. One reviewer even said that it threw poop like 10 feet in the air!
If you want an automatic catbox, I'd go all the way and the get the
Litter Robot. It's a lot more expensive, but I've heard nothing but good things about it (and it uses regular trashbags).
Or you could just get
this which works surprisingly well and is like $15 at target.