1. Create multiple products, backends and applications for each product 2. Create application plans for each product and publish them 3. Create different limits on each application plan 4. Turn on notification(web and email or separately) on each product 5. Promote all applications to staging 6. Hit first product limits and see to alerts or emails for notifications( see notifications in UI or email) 7. Hit second product limits see to alerts or emails for notifications e.t.c All notifications come after another limit was hit, mostly in wrong order. Notifications aren't send one by one like 50% reached and so on.