Yes, it’s a one-time purchase and you get lifetime access.
It’s a one month program. But as you know, if you don’t use it, you will lose it. That’s why it’s advised to do these workouts and core exercises 3 times a week for years to come. That’s why you have lifetime access to this program! Remember, mastery of the fundamentals is indeed mastery, and that’s why you always see Sara doing the same exercises over and over.
There are lots of bonus units in this program: You can play around with the exercises presented in these units for months and years to come!