Look into a shelter. They aren't as scary as you might think. It's at least a place to show, eat and have a warm clean place to rest your head at night. If you have income there must be a way to have a place to live.
Call up some half way houses or Sober Living Homes and see if they will work something out with you. I know I stayed at a place for a couple months without much income and they let me stay with some extra work around the house.
There are options. Maybe you can take a sick day and really pound the phone lines. You'll be less anxious if you actually are making some contacts with people.
Pray.