your fan switch might be bad look into replacing it
The cheapest source of finance is retain.
Buffalo.
The Comanche often used long poles, and Buffalo hides. Comanche used Buffalo as a main source....
rivers streams filled from the rocky mountains.
the cheapest alternative source of energy is biomass. because we can use it all and free and easy to find.
they didn't really gather anything but their main food source was buffalo
they either roast it or boil it over a fire with sticks
The best and cheapest source would be online at ebay. They always have tons of these and if you time it right you can get them very cheap.
solar energy or a hamster wheel
solar energy or a hamster wheel
Coal Wind Oil
Previous generations' stories and drawings, and books are some sources of cultural knowledge.