Construction Manager’s Progress and Documentation

If you are involved in a construction project, documentation of the progress is critical. Top Shot Aerial Photography provides you with the Construction Manager’s Tool Belt:
What to Look for when Hiring an Aerial Photographer.

So, you’ve come to a situation where you need either photos or video (or both) from a vantage point so high up that it just makes sense to have a dedicated aerial photographer handle the job. What factors are important when deciding who to choose to hire?