The operative term is to serve others. Give them what they want or need. If they don’t know they need it yet, show them how it will help improve or simplify their lives. Don’t be frivolous. Do something that helps people in some way. Find a need and fill it.
What can you do to help others so that they will pay for it?
Find hundreds of books #155-158 and #658 at the library.
How may I serve you? In order to get what you want, you must first help others get what they want.
Back in the early days of the twentieth century in 1935, Dale Carnegie (1888-1955) hired Napolean Hill to put together a course on how to be successful which he did over the course of twenty years which are summarized in his classic bestsellers Think Positive & Grow Rich, How to Win Friends and Influence People, Think and Grow Rich, etc.
There was a very simple concept behind success and wealth according to the Carnegie method.