At $1,399.99 / 1,249, though, you might want to wait for a sale.

Speaking of which, the Roomba Combo J9 Plus base is surprisingly stylish for a bin.

As such, those on a budget would do well to keep their eyes peeled at sale time.

The Roomba Combo J9 Plus Base in front of a sofa

The Roomba in its base

My advice is to get one of the Plus models with a base.

Not having to remember to empty the Roomba every time is a major convenience.

Whichever model you choose, be aware that there are ongoing costs with this robot vacuum.

The Roomba Combo J9 Plus cleaning a hard floor

As such, there’s zero chance it will catch on surfaces it shouldn’t mop.

I didn’t find this a major inconvenience, though.

At the back, youll find the robots dust bin and water container.

The Roomba Combo J9 Plus mop revealed while it’s in its charging base

The Roomba Combo J9 Plus mop

That is, except to change the filter when the app notifies you to do so.

Opening up the base reveals the large water storage tank.

I have fewer hard floors, so that one tank should last a few months.

The Roomba Combo J9 Plus base with its door open, in front of a sofa

The Roomba base when it’s open

There’s also a drawer containing the AllergenLock bag into which dirt is deposited.

Just note that this may mean the robo vac needs to recharge mid-clean, though.

This is super handy for keeping your Roomba in tip-top shape.

The Roomba Combo J9 Plus smart scrubbing the bathroom

How smart scrub works on the Roomba Combo J9 Plus

Nevertheless, it did so without any intervention from me.

Roomba Combo J9 Plus: Score card

Should I buy the Roomba Combo J9 Plus?

Whats more, thanks to the amusingly named Pet Owner Official Promise (yes, P.O.O.P.

The iRobot app showing the robot vacuum’s health, its cleaning stats and the main page

Dont buy it if…

Your home has lots of levelsRoomba models cant climb stairs; you’ll have to carry it.

Youre on a budgetThis Roomba isnt cheap.

The Roomba Combo J9 Plus emptying its dirt and refilling its water at its base

How the Roomba Combo J9 Plus empties and refills itself

You dont like ongoing costsUnfortunately, Roombas arent a one-time purchase the parts will occasionally need to be replaced.

iRobot Roomba j9+ Smart robot…

iRobot Roomba Combo j9 Plus…

Prime

iRobot Roomba j9+…

Best Buy

iRobot Roomba j9+ Robotic…

Target