[didibus]

You'd need to pay a lot more, because advertisers pay way more than 10$ per month per user, you'd have to outpay the advertisers.

[pasteldream]

How much do advertisers pay per customer, and where can I find this analysis?

[JoeyPriceless]

Meta publishes some interesting data along these lines in their quarterly reports.

I think the most telling is the breakdown of Average Revenue Per User per region for Facebook specifically [1]. The average user brought in about $11 per quarter while the average US/CA user brought in about $57 per quarter during 2023.

[1] https://s21.q4cdn.com/399680738/files/doc_financials/2023/q4... (page 15)