there's many ways to get BTC.
- faucet
- trade
- mining
- campaign
- ads on blog/website
- do some task
- gambling (i dont suggest this one, too many risk if dont have godly luck

)
Faucets too low to get bitcoin
mining hard enough
yes gambling not recommended is very risky
I think that the best way is trade and campaign.
Want to add,. mining is soo hard since you would need high amounts to start with it and mostly dont have the capacity to buy mining rigs, faucets are just waste of time and doesnt worth for your effort, gambling is risky and also trading but you could do smart trades to be profitable, signature campaigns is the most common way to earn bitcoin without any risk.