YouTube is a google product where millions of users watch videos, upload videos, some people even earn money from YouTube.
All you need is a skill or any talent or any interest of yours which connects to the people all over the world with same intrest , like playing guitar , singing, creating educational content, make up videos, health tips , weight loss, gym etc.
Choose your interest create videos and upload videos , monetize them with Adsense .
Keep creating videos and upload .
There are millions of people are creating and uploading videos, be more creative in making the videos.
The more you work sincerely and consistently , the more you earn.