The Question and Answer section for Chinese Cinderella is a great resource to ask questions, find answers, and discuss the novel.
The children weren't given any money, unlike, Niang's children who were hopelessly spoiled. Thus, Niang used allowance to futher distance and isolate her step-children from the rest of the family.
Adeline was not favoured by her father and step-mother. The children were also being taught "austerity" so little money was given to them and practically no money was given to Adeline.
Does it look like I freaking know?
Adeline is a chameleon.
Let you guys figure that out.