What exactly did he have to do to publish a book at his own expense?

The following steps were required to publish a self-funded book: 1. Decide on the direction of publication: This includes choosing a publishing house, determining the publishing method, determining the price of the book, and so on. 2. Writing a publication application: To submit a publication application to the publishing house, you need to submit the book information, author introduction, work outline, sample book, etc. 3. Registration of copyright: During the application process, you need to submit the copyright registration information to prove that the copyright of the work belongs to the author himself. 4. Choose a printing house: negotiate with the printing house to determine the print volume and print quality of the book. 5. Arrange the publication date: negotiate the publication date with the publishing house and submit the book printing progress on time. Post-publication publicity: After the book is published, it needs to be publicized and promoted to increase sales and popularity. 7. Pay the publishing fee: After the book is published, you need to pay the publishing fee to the publishing house. It was important to note that in the process of self-publishing books, the editing, publishing, and proofreading of books needed to be strictly controlled to ensure the quality of the books. At the same time, they had to abide by relevant laws and regulations to ensure that the copyright of the books was protected.