| http://www.w3.org/ns/prov#value | - Some rules-of-thumb that you may find useful are: (a) the total labor cost will generally run a little higher that your total material cost; (b) it???s not unusual for a builder or general contractor to charge 15 to 20% of the combined cost for managing the overall project; and (c) don???t forget to add in the cost of your site improvements such as utilities, driveway, sidewalks, landscaping, etc.
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