No you do not have to have a license to purchase a go-kart I have one and I bought it myself and don't have a license.
No, for amateur rent-a- car. For professional racing you will need it.
No so long as you are on private property.
Michael Schumacher got his go kart licence when he was 12 years old. The normal age is 14 years old.
yes you do but people like Lewis Hamilton have to do a training course
Go on their profile and go to the top license Settings and go to erase profile!
Go to the license you want to delete, and you'll see a "Settings" option. Go there, and select "Delete License" to delete your save file.
The only way to delete data is to go to the license settings screen and press delete license.
If you have a license, but I don't think that your allowed to drive it ALL the time, like on highways.
In New Jersey, according to the MVC, you don't need titling and registration to drive a go-kart. IDK if that means that it's street legal, but titling and registration aren't required