How to make money on blogging

On YouTube, you can see many videos like this that teaches us to make money
I`ll listen to it, and come back to write
This blog was created 10 years ago by the guy who speaks, and he managed to make a great profit from it and even quit his daily job
So, first of all, he wrote content, and get people to his content
Then, he create a video and gets people to his video
On Google search, he wrote - How to make money on blogging, and it sent to his blog the people that asked this question
I`ll listen to it once more and continue to write