It is ok to use any method per opening, sq ft. or, actuals, as was stated, all these methods have good points and bad, but the important thing in working any old work job, is to check the conditions, for example, say you quote the per opening of $120 for an outlet, then you find the home is a split level with a slab, then you go to the basement, and find they have closed walls and sheetrock finished ceiling, now for new work, if your working from a print, and have a detailed print, then you would have all the information to do a detailed estimate, and per opening would be a risky move, when you have all the information to do an accurate estimate.
If i have all the information, i have a better chance to make the job profitable,
over the years i noticed those that depended on per opening and sq ft. methods, had problems controling the job costs, and many times, they had losses on these jobs.
[This message has been edited by LK (edited 09-05-2005).]
