Is the f1-micro instance used with gae flexible environment included in free tier

As mentioned in the Google Group discussion Thread.

Depending on the region used in your calculation, it seems correct. However, the amount provided by Google Cloud Platform Pricing Calculator are only an estimate purposes only.

The actual charge will depend on factors such as, the actual traffic used within the billing cycle as well as the egress traffic region.

Example: The charge of an Egress - Americas/EMEA of an estimated traffic of 1,000 GB will not be the same with an Egress - Australia.

For more details on Egress traffic charges, see the General network pricing page for egress through internal IP addresses charges and Internet egress rates, Traffic through external IP addresses page.

Furthermore, you may also check the pricing by Product SKU see how these charges can be calculated in a currency other than USD for different regions.

Therefore, an estimated egress charge of 110 USD/Monthly does not mean that you will be automatically charge that amount in addition to any other computing resources used, but an estimate should you used up this 1TB of egress traffic within the billing cycle.

You set the On host maintenance availability policy to Terminate. Change this setting back to the default Migrate.