How do depressed individuals support themselves?

This was inspired by another question and the excellent responses from people who suffered or are suffering from clinical depression. One individual, who I respect very much, mentioned that during his low point he could not even brush his teeth. How do people in that condition survive? How do you pay the rent? Who gets the food? Who cuts the grass or takes out the trash? Or cleans the rain gutters? Or pays the electric bills? Or does the laundry? Or takes out the garbage? Or…?
Are you totally living off the kindness of others? Are you independently wealthy? Are you supported by your parents? Or do you go on welfare / public assistance?

Do you have dependents? I don’t understand how people survive without working or life responsibilities. How do you do it?