What happens if my cat throws up and I’m not home when it runs? Does it avoid it or do I come home to a big mess?

You will have a huge mess on your hands! It happened to me with dog diarrhea. Amanda (robot) smeared it all over. I had to take her completely apart. Every screw that I could get to came out. I washed and dried every removable part. It took hours, but once reassembled she was good to go and I NEVER had her vacuum again when I was not home!

can the dumping base be purchased separately at a later time?

Yes. I bought an i7 with a default charging base. If you want to buy the i7 with the dumping base as one package, you'll save yourself $50 in the long run.

How does it do with long dog hair?

Works very well, BUT you have to remove and check/clean the brushes more often because the long hairs wrap around the ends of the brushes making large, thick rings that are hidden from superficial examination. I didn't have any problems even before discovering this, but I'm wondering how much mechanical stress was on the machine.

Besides emptying itself, what are the added features or actual benefits, of buying the Roomba i7+ over the Roomba 980?

I have both. The i7+ learns your floorplan and then the app lets you define areas or rooms - very nice if you have a lot of square footage. You can schedule the rooms to be cleaned at different times. You don't have to use the virtual wall devices that are required to keep the 980 contained. The i7+ is also much quieter than the 980.

ASIN	B0BTTV2DYQ
Are Batteries Included	Yes
Batteries	1 Lithium Ion batteries required. (included)
Batteries required	Yes
Battery Life	60 days
Best Sellers Rank	#307,565 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #233 in Robotic Vacuums
Brand	iRobot
Color	Graphite
Compatible Devices	Amazon Echo
Customer Reviews	3.6 3.6 out of 5 stars (1,196)
Filter Type	Cartridge
Form Factor	Robotic
Included Components	Rubber Brushes
Item Weight	18.72 pounds
Item model number	J655020
Manufacturer	iRobot
Model Name	J655020
Power Source	Battery Powered
Product Dimensions	13.4"L x 13.3"W x 3.4"H
Special Feature	Compatible with Alexa, Ideal for Pet Hair, Identifies and Avoids Pet Waste & Cords, Self-Emptying, Smart Mapping, Wi-Fi Connected
UPC	885155039095

Roomba j6+ Self-Emptying Robot Vacuum – Identifies and Avoids Pet Waste & Cords, Empties Itself for Up to 60 Days, Smart Mapping, Compatible with Alexa, Ideal for Pet Hair

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