I can understand your plight since i too am a single mother.
But give it your best shot, do whatever is in your power, approach a bank or take loan, do it for your child.
My attitute is the same i go all out to accomplish what i want for my children and Sai has always helped me. I am sure without him i would not have been able to do anything at all.
With his grace there is Barkhat in my salary, and i have not had to ask anyone for help to bring my kids up.
Jo mangna hai tujhko
tu mang aapen rab se
aapne Sai se.
Like Sai Baba says;
Himmat he Marda
Madateh khudha