noun
subsistence
sub-SIS-tuns/səbˈsɪstəns/
Continued survival with only the basic necessities of life
Bread, beans, water, and a simple blanket provide just enough for subsistence.

Etymology
The combined roots conveyed standing firm or remaining. From continuing to exist, subsistence came to mean support for physical life, then the bare means of keeping alive.
In context
there are in some cases a lot of surplus resources and in other cases very few and they're really living hand-to-mouth also in terms of quality of life in these subsistence types
More examples
- Her wages barely keep the family at subsistence level.
- Subsistence farming provides enough food to live on, with little left to sell.
- They hope for a comfortable life rather than mere subsistence.
Forms
subsistence
subsist verb — To survive with only basic necessities.