But as soon as you swap out even one item, the pain will start.
Now do it with Windows, power shell, Azure, mysql, php, firefox, notepad++, firebug, IIS, mongo. Now do it with Linux, zsh, Digital Ocean Meteor, Safari, vi, django, apache. Now do it with Linux, bash, AWS, Java, Spring, Oracle, Eclipse, Glassfish. Now do it with RedHat in Docker on AWS running Postgres, Redis, Nginx, Java and Node, over WebSockets over any browser.
Now you will know what you are doing. It will take about 10 years.