A tangent: Places I've worked with no source control and "we'll fix it live" often lack reliable backups. A failed hard drive was an existential business risk.

A tangent: Places I've worked with no source control and "we'll fix it live" often lack reliable backups. A failed hard drive was an existential business risk. I recommend making sure you have a disaster recovery plan in place. Essentially, do you have up-to-date and reliable copies of things off site, and a documented way (which you've tested!) to get your stuff back up and running using only those copies.