Personally, I think that one of the most important aspects is that you need to properly set up your marketing advertising so that customers leave happy in the future and the project has positive feedback.
The project generally distributed funds in such a way that 35% goes to marketing itself; it seems to me that it would be possible to single out more
Each project itself decides how much to spend on advertising. But it seems to me that the principal amount should go to the development of the project.