Argomento: Estimating Costs for Multi-Story Building Foundations

I want to discuss estimating costs for foundations of multi-story buildings. Foundation is very important part of building. Wrong estimate can increase cost and delay project. Using proper Cost Estimating Services can help to calculate materials, labor, and time correctly.
What methods do you use to estimate foundation costs? Do you prefer software tools or manual calculation? Share your experience to help others in planning better.