Roomba j7+ vs bagless robot vacuums: Bagged dock wins on dust-free disposal and longer intervals

The [Roomba j](https://www.amazon.com/s?k=Roomba+j&tag=wehavethat-20)7+ dock holds 60 days of dirt in a sealed bag, so you never get that cloud of dust when changing it — a clear upgrade over bagless bins that require frequent messy emptying.