We need to be very very sensitive & consider the mental state of that mother's mind, it seems ....

she does not realize what actually is being done by her, it proves she not greedy , taking very little money proves she is not selling kid for money, she is doing it as a permanent relief to herself / or her kid [ God Knows - I am afraid when I type this - God forgive me ].

Only those who are compassionate & has met very poor or under depression people personally can understand it .