(If you want even more impressive mopping, check out the Eureka J20 at #seis, which has a roller mop that supplies continuous fresh water, and siphons off the dirty stuff as it cleans.) A big bin means you don’t need to empty it as often. The largest I’ve seen is https://thekiwisocial.com/story4968625/the-ultimate-guide-to-top-3-automatic-vacuum-cleaners