Here's another way of earning bitcoin is by selling in-game/virtual items like cs:go skins, knives, etc for bitcoins. I see some of my friends sell their items for bitcoins.
Great!
HIYP Removed because most of them are scams and Added:
Selling game virtual items - Cs:Go skins, runescape gold, etc..
Add your way now.
71.PM With Your Bitcoin Earning Idea, I can Invest.