My mom always said, we lived in a house that was clean enough to be healthy and dirty enough to be comfortable. The house was never all clean at once, it was clean room by room. And usually got the deepest cleaning just before company arrived. My house is pretty much the same. No set schedule for cleaning, it just gets done when we have time, and it looks like it needs it. Usually a little here, a little there.

Works for us :-)
Edna