2. Gambling
3. Working for bitcoins (example: translations)
4. Mining
5. Signature campaign
6. Invest/Trading
7. Selling products
Most known methods to win BTC
The best way to collect without exerting too much effort is through signature campaign. By doing it, it does not give us risk to earn coins, we just need to devote our time updating ourselves in the bitcoin world. This is a win-win situation for you because you already earn at the same time you are learning.
Signature campaign is the finest way to start earning bitcoin and it doesn't require any technical skills if you have knowledge of bitcoin then you can make constructive posts.