The Characteristics of a Successful Online Casino So, how does running a profitable online casino work? In looking at a few different casino sites that have been in business for many years, we found some commonalities that are hallmarks of the successful online casino business model. What you might be surprised to discover is that the rate of failure for new online casinos is high, especially when a site does not conform to existing online casino business models. Have you ever thought about opening your own online casino? It might sound like a guaranteed path to riches, especially since online casino searches reached all-time highs during lockdown.