Sig campaigns seems to be about the only way these days. The good bounty campaign days have been gone for awhile, now most of those turn scam and never list the token or never have any buy support. Faucets aren't really a thing anymore either. Used to be able to claim a decent amount from those daily. When crypto prices went above $2000 per bitcoin, free things started disappearing. Well that and greedy users botting.
That's right, signature campaigns are the best way right now to earn extra money for sure. Meanwhile, for other activities with uncertain certainty, there are still airdrops. Nowadays the methods for following aidrdop are increasingly varied, and I recommend completing the most difficult tasks, because there are fewer competitors than you spend time reposting or retweeting on social media. Test net is something you should try, because in the last few months it has looked more promising.
It can be seen now that earning extra money from working in cryptocurrency for ordinary people will be increasingly difficult and narrow. We all need more creative improvisation to get anywhere in cryptocurrency.