David J Bockman wrote:

Generally speaking, twice the cost of the raw materials... like others have
said,

================================================
I admit that I may be completely out of the loop because I am now
retired but I worked
construction (home remodeling actually) every summer when I was in
college in the early 60's
and the "Guesstamate" that was generally used was THREE times the cost
of materials....

Kind of doubt that it has fallen... But like I said I am out of the
loop

Bob Griffiths