Highly recommend reading Programming Advice …

Tasty morsels in here, including…

Fixing things that are transparently accepted pays off / “fix the gun that shoots you in the foot”
Contextualising the trade-off between quality and pace
Deeply knowing your tooling will always pays off / “sharpening the axe”
Difference between real complexity and incidental complexity
Understanding bugs one layer deeper
Learn more from shipping imperfect code early than waiting for it to be perfect

via the changelog newsletter (also recommend!)