Default values is what AutoCASE is all about. But transparent, regionally-specific, and research-informed defaults. And all numbers can be over-ridden with better data if, or when, you have it.

The latest version of AutoCASE has cost estimates built in for the design features. We have a database of Low Impact Development (LID) or Green infrastructure (GI) features. We adjust these for risk and region (more details are here)

You can run AutoCASE with just a location, date, and project life:

Of course the results, with no design components, the results will be $0.

Adding, say a tree:

AutoCASE will estimate capital costs (and risk):

as well as operations and maintenance costs for the tree:

and it will analyze and write a report for you:

I counted six clicks after project and scenario creation to report generation.