And to be honest, it seems to me that if you really want to develop your own game, and you want to do it efficiently, then it's better to turn to specialists who will take care of the development work. Personally, I began to think about creating my own game, and now I am consulting with these developers https://kevurugames.com/game-development/ on this issue.
RE: Game Development with RPGMaker MZ - Deployment of RPG Maker MZ Games