It's not only all about building a gambling website, it's all about being able to maintain the site and handle everything that is involved in it., cause there are some people that will create a gambling and just abandon it and not maintain so that the website will be very good and run smoothly, they will just abandon everything because they feel there is nothing else left for them to do and all that is left for them to do now is just to relax and be making money and that is all. Maybe you should check out all these YouTube videos that are talking about the same topic, there might be one that can give you a step to step guide you can use to create your site.