4 months of flower is a waste of money imo. You won’t yeild twice as much as doing 2 2 month flower strains. Prob not even close. And I don’t consider 8-9 week fast strains. That’s normal.Why is it a waste of money? If i can grow a strain that gives me more satisfaction at the expense of time,I consider the fast maturing strain that doesn't satisfy a waste of money. To each their own.