Manage billing and payment methods for AutoSPF subscription.
1. Navigate to https://app.autospf.com/settings
2. Click "Billing Portal"
3. Click "View More"
4. Click "Add Payment Method"
5. Click "Subscriptions"
6. Click here.
7. Click "Manage Subscription"
8. Click here.
9. Click here.
10. Click "Change Card"
