I would advise consulting with an immigration attorney about how to properly respond to the questions on the I-765 DACA supplement. The questions on the worksheet call for the applicant's (your own) income/expenses/assets.
Owning a mobile home with your husband will probably not prevent you from getting work authorization, since your living expenses are very likely over $15,000 per year.
The above is intended only as general information, and does not constitute legal advice. You must speak with an attorney to discuss your individual case.
This is not a simple process ... as you can see ... meet with an attorney.
PROFESSOR OF IMMIGRATION LAW for over 10 years -- This blog posting is offered for informational purposes only. It does not constitute an attorney-client relationship.