I do at least 20 hours of volunteer work a week. I work for the only agency in this area that sees indigent mental health clients. I do pro bono work in educational advocacy anytime a parent can't afford to pay for my services. The rest of the time I get paid. I have to eat and have a place to live, just like everyone. However, I do not, nor will I ever resort to, trying to help people from my own perspective. I help them from their perspective. I do not inflate expectations regarding what my treatment provides.
Now, let's hear about the contributions you make to the deaf community other than marketing CI's. If you are reliant on that community buying your wares, you should be giving back to the community that supports you.