The vacuum is smart and rarely gets stuck. It cleans pretty well, too. However, it was difficult to find the dust bag for the clean station and had to buy them from Korea. It's also not easy to find them in Korea, either. I have 2 dogs and the fur it has picked up has clogged both the vacuum and the clean station but it was easy to take them apart and clean them out. When the clean station shows blinking red, flip it upside down and see if there is anything stuck. You will need a small screw driver for this. It took a while to figure out how to run the vacuum with Google Home but I found a youtube video that helped me. First you have to set a routine in SmartThings for Google Home to recognize the device. Overall, I am satisfied with the purchase.  I wish it was a little cheaper.