How does he/she monitor the arrivals and departures of workers, helpers, and other personnel?
For instance, to keep track of how much time is spent on each task, do they have a time sheet or other tracking data?
Do you know the days and times your contractor will be working at your house according to their predicted plan or schedule?
This knowledge will not only help you estimate the length of time a project might take, but it will also give you a heads-up regarding how much your own life will be disrupted when individuals enter and exit your home.
Does he or she have a specific schedule for when the project is expected to begin and end?
Your contract should always include a reliable estimate. Although a preliminary notion is required, keep in mind that sometimes extra work may be required to guarantee the greatest result.