[hyperpape]

The reference to bugs being more cheaper to fix the earlier they're found is one of those claims that gets passed around without much attempt to look at the supposed sources. I believe the most common citation trail bottoms out in a study that no one has access to anymore, and the whole thing seems dodgy. One link: https://www.techwell.com/techwell-insights/2013/10/what-does....

[jasonpeacock]

Checkout the book "Accelerate", it covers a lot of operation excellence practices supported by data, including shortening the iteration cycle (e.g. discovering bugs early):

https://smile.amazon.com/Accelerate-Software-Performing-Tech...

[hyperpape]

Here is more from Laurent Bossavit, showing the history of shoddy citations surrounding the 100x claim: https://gist.github.com/Morendil/f9c2e9f3f450d3a76de8aeee7cf....