There are several ways to make money from cryptocurrencies apart from participating in airdrops, if you are serious about pursuing cryoptocurrency forums there are many opportunities to make money such as working as a blogger, promoting via signatures, Twitter and also Reddit. In this way you can make money without having to spend money from your pocket, from the several methods that I mentioned above, it is not easy for a beginner to start, but you have to learn more about the rules in cryptocurrency, while investment requires capital and has risks if you don't have experience looking for it. This is a suggestion which is easier for you to learn so you can earn from this crypto space.