So the most important thing to build is a good reputation and and building a team that can work around the club to provide good customers services and also monitoring players' activities to give them the best service that can keep them as loyal players.
Reputation is important to casino lately especially for startups with the incident of exit scam from even casinos bettors thought would not run away with their money. So it is now difficult to trust new casinos despite how long they run their signature campaign. It is just by fate that people can sign-up to new startups because reputation is an important factor. And what is now the guarantee that joining a new casino will not end someone in pain and agony of exit scam.