How to create a housekeeping schedule that doesn't get messy

Housekeeping scheduling looks like just filling in people and times, but the real trouble lies in travel time, keys, client habits, and last-minute changes. I used to schedule based only on open slots, but the result was that a cleaner would be in the east of the city in the morning and scheduled for the west in the afternoon, wasting an hour on the road, and the client would still feel that…