Garage Sale – If you are decluttering and are ready to let go of too much things inside the house that you barely even use, and you have Having too many possession can cause stress because the more things you have at home, the more things you need to tidy up eventually. Garage sale does not require a big capital. It’s basically your junk that other people can still find useful at a low price, you can also use eBay or Craig's List to sell stuff. 3. Ebooks – It is best and handier nowadays to invest in eBooks because hard copy books are responsible for the failing of several trees and we need trees in our environment to balance our ecosystem.