Best Pratice To Implement User Types

I'm building a django project and I want to have free users and premium users. I've been hitting my head on the best way to implement this. Users will be able to login through the same login page and redirect to different pages after logging in based on their user type.

My main challenge is the best way to implement paid subscription for users so after paying, expiration date and redirection of users. Should I make use of the Userprofile model to implement premium users or write a standalone  model for handling premium users? Kindly explain on the best way to go about this. Thanks!

--
You received this message because you are subscribed to the Google Groups "Django users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscribe@googlegroups.com.
To post to this group, send email to django-users@googlegroups.com.
Visit this group at http://groups.google.com/group/django-users?hl=en.
For more options, visit https://groups.google.com/groups/opt_out.