You need to find a good altcoin first. I personally love Airdrop altcoins. After that, just hold them for months or years and you'll make a 100% profit at least.
Don't worry if it dumps a lot during this timeframe, it happens.
Remember that when you dump, someone is buying

I think the tokens that we can receive from airdrop are not worth much, just around $10 - $30. So even if we have 100%, it's also not worth much. I think the reward from bounty is better and of course earning token from bounty is also harder than airdrop