The Constraints Dog walking isn't just about getting from A to B. You're juggling: Time windows: "Between 11am-1pm only" Geography: Minimise drive time between locations Compatibility: Some dogs can't be walked together Buffer time: 10-15 minutes between walks for handover Weather contingency: Indoor alternatives for extreme conditions Capacity limits: Maximum dogs you can safely handle Weekly Planning Rhythm Sunday Planning Session (30 minutes): Review next week's bookings and any changes