The days from earning good amount of money from ICO is long gone and as of now one of the best way to earn good money from crypto is through DeFI platforms. DeFI means finance decenteralized system, these are platforms where people can easily invest their crypto tokens and earns from them passively. The good thing about these platforms is that it is decenteralized so anyone can make use of it and it is automated because it makes use of smart contract so it cant be influenced by a third party
But you need to have money for investing in defi, if you are starting from 0 here you will need to find a way to earn some coins and then to invest them in defi.
And which one is the best way, well getting ranked here, having strong social network accounts, or if you have some skills you can try with anytask, electroneum project. There's some work for everyone I think, with more knowledge and better skills you can make more money. Later you can decide to put that money to work for you in defi, or in some coin for staking, or any other investment that will provide passive income.