In contrast to my comment above about Azure taking care of the people who pay the bills, GCP's design around the billing and understanding spend UX is absolutel

In contrast to my comment above about Azure taking care of the people who pay the bills, GCP's design around the billing and understanding spend UX is absolutely the most hostile of the big 3. Their design choices around hardware reservations and aggregating resources in the bill that make it impossible to understand what cost what is frustrating to say the least.