I wrote a blog post over on the 360Differece.com website about my evolution with estimating and technology in the mid-1980s and 1990s that I thought I should share here.
1 Take Notes. Record and take notes about what you do. Keep a notebook, write in a Journal, keep Daily Job Reports, or detailed Timecards but make a habit of recording and tracking what you and your personnel are doing. Make it part of your company culture too.