Howdy:

google_compute_instance.runners[0]                                                          
 ├─ Instance usage (Linux/UNIX, on-demand, t2a-standard-1)          730  hours         $0.00

google says they would be 35$

Thanks @ambitious-shoe-5236, this looks like a valid bug. Are you able to create an issue here with the Terraform code you used to create this resource?

Thanks 🙏