[bliteben]

The ease and seemingly no-cost nature of small changes in software development, causes scope creep that would have huge costs in construction.

[datadrivenangel]

Changing the color of a door will cost you a few hundred dollars or less. Changing all the windows may cost tens or hundreds of thousands of dollars. Rotating the foundation five degrees may be more expensive than building a new building.

Not all changes are equally huge in construction.