...Since the OP already sold the phone and has already invested in bitcoin, if he does not have any source of income, it's better he get one.
OP made the right decision by selling an old phone that was no longer used and bought some Bitcoins. I think that the result will inspire him and he will continue to sell unnecessary things and invest the proceeds in Bitcoin. But if he finds a good job for himself, his investment will be more significant than from the sale of old things.