This is a composition about my homework.
I save my money in my wallet.
In hollidays, I get some money from my relative.
CORRECT: On holidays, I receive some money from my relatives.
Also, I get money from my mom every month.
CORRECT:  I also receive money from my mom monthly.
Please correct my answer. 

EXPLANATION:  Some sentences were rephrased. RELATIVES should be used because it is in plural form and you are generally referring not only to one relative but to many of them. 

Hello Daniel,

Thank you for submitting this homework. Please take a note of the little corrections that I gave you so you can improve in you English composition skills.