These seem like a good set of rules to follow. I would also add that in my experience once you get burned a time or two in production you start to develop a hea

These seem like a good set of rules to follow. I would also add that in my experience once you get burned a time or two in production you start to develop a healthy level of paranoia and skepticism towards the code you write. I'm not sure if that step can be skipped, realistically we all create a dumpster fire here and there anyways. A healthy code review process helps as well.