/diy/ - Do It Yourself

I'm trying to get into brewing root beer because it's cheaper than brewing beer and when I fuck things up I won't feel as bad. I'm looking at getting some root beer extract to make it out of but I'm not sure what kind of/how much yeast I need. The website says I should use champagne yeast but I'm worried that using that would cause alcohol formation in my soda. Any information or tips on the subject is appreciated