I think you came in with the idea because of the pandemic, if I am not mistaken. Lot of people had lost their jobs due to lockdowns and isolation precautions.
But in order to earn online, you must know what are you capabilities. There are lots of freelance work online, other companies have adjusted work so that employees could work online. Cryptocurrencies are good recommendation yet this need a lot of skill in order for you to have profit, also it will always be dependent on supply and demand value. Don't just make money, work while living your life to its fullest. Having passion with what you do makes it easier to go on in life.