Moreover, I think there's an 80/20-ish sweet spot. With an attitude of moderation, you can keep a brisk pace and achieve a pretty clean codebase with little ext

Moreover, I think there's an 80/20-ish sweet spot. With an attitude of moderation, you can keep a brisk pace and achieve a pretty clean codebase with little extra effort. It seems best to defer architecting just long enough to see that some component is becoming problematic, but not much longer. Do it too early and you waste effort. Do it too late and you have a much larger mess to clean up.