How profitable is selling your customer base?
Yes, some companies sell personal data on their customers, but it almost always means a bad business due to reputation cost. The Financial Times even made a calculator to demonstrate how much personal information is worth: The sellers get pennies for the info, so that any decent business would earn more staying away from such dubious operations.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
How profitable is selling your customer base?

### Response:
Yes, some companies sell personal data on their customers, but it almost always means a bad business due to reputation cost. The Financial Times even made a calculator to demonstrate how much personal information is worth: The sellers get pennies for the info, so that any decent business would earn more staying away from such dubious operations.