We can learn a lot about estimating from the construction business

• DIFFERENT WAYS TO ESTIMATE: http://www.hometechonline.com/pce/toppage3.htm
•  BASIC ESTIMATING TIPS: http://www.hometechonline.com/pce/toppage2.htm
• Estimating Checklist: Do This Every Time: http://www.hometechonline.com/rr/rrarth.htm
• For conclusion