If we knew that already, we wouldn’t even need estimators now, would we?!?
The only way to know the real labour cost is to do the job… but by then it’s too late. You’re stuck with whatever price you’ve got. This is where the job of an estimator comes in… because you can’t know 100% what the cost will be, you are guaranteed to have some changes when the project starts. I know you don’t like to hear that, but it’s just how these things work!
The second best way to know your real labour cost is with proven, pre-tested labour units, and labour fitting-times. Over time, you can test and measure the time and cost of common installations and tasks. If you keep a record of these times, you get more and There are only auto-calculated pages. You don’t have to do much with them, most of it is automated. These pages are formulated to a single summary page with adjustments for your overhead costs and profit margins.