Point 2 (and 5) is probably one of the biggest things I think about a lot these days. Most of my tech stacks are relatively tried and true, with the exceptions of Netlify and GCP. Where it's possible, I will generally try to put a $10-20 dollar SaaS product instead of code. That comes with counter-party risk, but I trust Pingdom more than I would my own notification servers.
When I wrote this article, I struggled with explaining how my thoughts of what a 10X engineer changed over the years. I recognized people would yell 10X != memorization, but the compound effect of working (and learning) without friction (in this case, human memory. in many other scenarios, technical debt) leads to exponential advantages.