They're often valuable for vastly different reasons â like the World War II-era coins minted from atypical metals, or double-printed pennies â but each one is easy to miss if you're not paying attention. See also: Californian Couple Finds $10 Million Worth of Gold Coins in Tin Can.
A subsistence economy is a non-monetary economy which relies on natural resources to provide for basic needs, through hunting, gathering, and subsistence agriculture.
Benefits Of Subsistence Farming. Subsistence farming merely means only being able to grow and produce enough food to sustain yourself. There really is no benefit from it other than you secure enough food for your survival. It would be very labor intensive and time consuming and you would probably have little time for other activities.