Tiny beer like drink factory

Hello, my friends! I am 23yo student, and as all students, I have many ambitions and not so much money to realize them )))  I am planning to open a little brewery, that would make a fantastic beer like drink using an old receipe that my grandmother gave me. It is really cool to drink it in a summer time, or visiting sauna with your best friends!  The drink contains alcohole, but it depends what kind of receipe you use. Receipe is nature-friendly and contains NO GMP ( no genetically modified products). It is quite easy to make it at home. Please, let's make a dream come true) As a reward i would give you a receipe and a video tutorial! 
Thank you so much!