If your in a country with public help, ask about it.
First, get on food stamps RIGHT NOW! You might qualify, get in the car and go. Second, sell off everything you can part with on eBay and Craigslist. Find a 99cent store and Ross, do all your shopping there. There are good and bad values. Takes time to learn the tricks. Priority one is to stall for time. Also, I have lots of materials on small business creation.
I’v been micro-budgeting all my life. I’m a grandmaster at it. Ask me. 