Do you guys charge mobile fee?

Who ever have a website for your mobile mechanic business, tag it in the comments. Need some idea en example to set up mine.

Do I need to purchase the tech certification to be able to to use it in my scanner? I already have my scanner register. Any other information I need to know about this.

is anyone here use predator power station 1200 watt from harbor freight to power a computer and compressor or fridge if needed. Is for my trailer. If no then I might try to replicate @Ben Dellaria setup.

I used quick book but didn’t like it. Any other app that has work to track miles?