Google doesn't allow every gambling website to advertise. Eligibility varies by country and license status.

The outreach email was simple and direct. No pressure, just letting the right people know it was available.

If your traffic is still low, don't rely only on display ads. Affiliate marketing usually pays much better in the beginning.

The biggest lesson here is matching the product to the audience. Too many beginners try promoting whatever pays the highest commission instead of asking what their readers actually need.