Bounty and Airdrop are where you don't need to invest any money. You have to work hard there and if you work hard you can profit from it.Now is the best time to be in a bounty campaign. Any project during this period is more likely to become a scam as the market is bad. Besides, airdrop is not very useful at present.But the most profit can be gained from the bounty campaign.
Actually, bounties and airdrops have the same way of analysis to review whether or not they are eligible to join, but because bounties have limited participants and different allocations for each stage of the campaign, the bounty income is higher than airdrops. After the ICO era ended many bounty scams are increasing until now, so you should be selective in choosing to join a bounty and regularly review every latest update to ensure a decent token price and high trading volume.