@Yanchi that's nice and cute and all, but female empowerment has never been a theme of this story. It's not her dream to be an entrepreneur, she wasn't planning this already and love got in the way. There doesn't even seem to be a prejudice against females getting involved in business, because Etoile is openly helping her dad. This whole idea of, I have to have my own money, is stupid, especially since she'll probably have a dowry.
It just feels like the author is retreading old ground, even the duke thought she was trying to escape the wedding by pretending to be busy. This could've been an excellent time to show how far she's grown as a character, from always worrying about other people's opinions and wallowing in feelings of guilt and inadequacy, to fully throwing herself into her own happily ever after. Instead we got this nonsense.