part I what percentage of work, or time... do you use as a gauge for price increase? example: you cut a house weekly, and you show up.. and see they added sod around the pool, or driveway, or dog pen, etc. or add beds that you have to now turn and cultivate, etc. part II you cut a house weekly, then they say they would like to go to a bi-weekly program. what is the increase % of the cut.