U was watching many videos and courses where people start directly in Zbrush, either they do character for games or movies or tv, they do in Zbrush. Some of them start with Maya and continue with Zbrush, and then back to Maya. May i ask. why people start with Zbrush and someone start with Maya? Does studios, want from you…
If the design is already concepted then I would prefer to start in a 3D app - after sculpting it's just a case of removing support edges and optimizing a bit to get your low poly model, instead of having to do a whole re-topology pass. If there is no pre-approved concept and you're confident in your ability with dynamesh…