Is it easy to do by yourself

They have to do it just go there and the government will take your money

Yes just remember to have your car running when you start the test. You may have to let your info in because the scanner is kinda iffie. But once you get going it's simple. And you save money by doing it yourself.

Ok thanks @nate kurtz

Pretty much.

Yes, the self serve kiosk has good instructions.