What is your customer acquisition cost?

Curious to find out what indie hackers are spending on customer acquisition.
Do you know your customer acquisition cost? This is the cost of converting a prospect or convincing a potential customer to become an actual customer.

To work this out - dividing your overall marketing expenses by the number of net new customers acquired in a given period of time.

Answer the poll if you do, feel free to share your story below. Be keen on having conversations with some of you to help you lower this and increase your ratio.