Do you have a Facebook account? If so, what do you use it for, is it only for chatting? Come to think of it, do you have a clue that you can use Facebook to make money?
Facebook marketplace is a nice place in Facebook application to make money. How? What you have to do it to upload any item you wish to sell, put the price and your location, also put your number so that any interested buyer can reach you easily, very simple.
If you have any old or new gadgets to sell, use Facebook marketplace and make money