This is a great tool and free to try, this will work for any service business and even for the do it your self on a project that deals with one or more trades. You can get the free to try copy at Download.com and search for Budget & Job Cost Analysis 1.02 under software or windows.
That's very helpful to see all the detail and photos you provide.
As to the chimney, did you have to pour a footing and use a vertical support beam (in the basement) to withstand the extra weight? It sounds as though you had not planned to do the chimney from the get-go, so I'm wondering if you had to do any retrofitting for the extra weight (assuming the weight was considerable).
