A relatively good way may be signature campaign, for people who are starting their new journey into btc world, because it can helps them a lot to earn btc without complications. I also suggest to sell service to other members like offering your programming skills or web designing and get paid on bitcoins.
You can earn bitcoin depends on your own strategy. You can do trading, selling, faucets, gambling, or signature campaign. You can do where are good at, depends on what specialty that you have. You can utilize also your special skills like programming, encoder, or web developer then they will pay you on what you have work for. If you are good at any of that special skills, you are able to earn a lot of money or bitcoin.