Why Are American Homes So Big? (2019)
theatlantic.com
theatlantic.com
Shorter The Atlantic: Why we hate big homes for middle-class folks.
Large-format 3D printers that use a form of concrete as their "filament" is poised to be even faster, but also still much more expensive for now.
Check out the Build Show network at https://www.buildshownetwork.com/ and Matt Risinger's videos on YouTube at https://youtube.com/c/MattRisinger if you want to learn more about advances in building construction methods.
Downside is it can crack (especially on unstable ground) when settling.