Hi, can u suggest me an i robot which i would like to put in my house. Please take no that house no ppl is staying. no basic furniture, just a set of dining table.

I would like to buy it as my mom is helping me to take care of that, and she can't stand that no people is cleaning up the house, so she always travel up to clean my house for me I pity her, and so I would like to check out of any robot can replace her job, and she can comes in once a month to clean up the robot.