As with the passage of time more people are entering the cryptoworld and we can see there are many scammers nowadays so can you suggest any ways where newbies could earn btc without investment.
One of the main work here in this forum is BOUNTY HUNTING, and you can earn by participating to it.
You can use your social media accounts or doing signature campaign here.
That is one of the best way to earn, and you can try airdrop too!