If you start working as a freelance web engineer without belonging to a company and knowing the world well, various troubles will happen.
Most of these problems are due to my ignorance. It may be helpful if you are thinking about becoming a freelancer without thinking about anything, so I will write about it.
1. Server stops working
One night, when I was going to karaoke, I suddenly got a phone call. A customer who had a job at the time asked me to check the site because he couldn’t browse the site. I had just entered karaoke, but I hurried home and checked.