- TANF (temporary assistance for needy families)
- Medicaid
- SNAP (food stamps)
- CHIP (child health insurance program)
- unemployment
- disability
- housing assistance
- social security
- ...
States and cities also have many welfare programs along with private charities.
It is absolutely possible to save money on an average salary. In general, Americans are indebted and live beyond their means by choice, not by necessity. And once they get into the debt cycle it can be extremely difficult to get out.
Check out Dave Ramsey for practical tips: https://www.daveramsey.com/store/product/the-total-money-mak...