There are two ways to earn money in the real world. Either you will work for a boss, or be your own boss.
Working for a boss entails employment of some nature, in an establishment that has some need for the services you could provide. Being your own boss entails having your own business and facilitating the production of some goods or the distribution of some services.
Either way, you’ll earn your keep (or at least, you should). It’s the basic law of making money, you have to give or render something to receive something in return.
When it comes to making money online, it’s the same principle at work. You have to give or render something to receive something in return.
And yes, you could work for a boss, or you could be your own boss. The opportunities are there in the World Wide Web. The choice is yours.