You could easily earn 1 bitcoin in a year from this forum. Create a few accounts and join a signature campaign then sell them or something. You could also try sell goods/items you have that you don't need any more.
You could earn 1BTC in a second with gambling, but you could lost 1BTC in a second with gambling too
Even with faucet, you could earn 1BTC in a year. As long as you do it everyday
Gambling really isn't a viable option to make money and anyone who gambles in such a way is sure to lose a lot of money.