It's not really a fee. It's just the price they charge you for data transfer to external systems. This is known as Data Egress charges and all cloud providers I

It's not really a fee. It's just the price they charge you for data transfer to external systems. This is known as Data Egress charges and all cloud providers I know off has it. The cost of egress will depend on which service you are using. Some services have lower data transfer out costs, some have higher, etc..