Hello there Akiko! I do think your notion of getting one unit and find out very first if all of them become accustomed to the Litter Robot it’s an excellent tactic. Then, if you see them all making use of it, you should buy a 2nd a person. One solitary https://robotic-pet-cleaning44432.vidublog.com/35949778/5-easy-facts-about-robotic-pet-cleaning-described