You can call World Relief for immigration legal questions. As for any fee waivers it always varies case-by-case but World Relief can better assist.
(714) 210-4730
However, Mexican Consulate has assisted in a portion of the fee.
You can also apply for a 0% interest loan to help you pay your USCIS application fee through Mission Asset Fund. https://www.missionassetfund.org/immigration-programs/
Are you contemplating applying for DACA? Not sure if you’re eligible? Are you looking to renew? This page is dedicated to housing our most up-to-date free community tools you can download, share, watch, and print to get informed on eligibility, requirements, application processes, and more as you prepare to submit an application for Deferred Action for Childhood Arrivals (DACA).