Originally Posted by AmateurKing

Adult video sites are risky business from my past experience (maybe 5-6 years ago when bandwidth was a lot more expensive) due to the massive bandwidth usage and less conversions.

You might start with a budget servers from hosts such as OVH and Hetzner. However, Hetzner does not allow adult AFAIK and I am not sure about OVH. But you definitely need to find budget servers with possibly unmetered bandwidth for you to make good money.