Honestly, most of them won't. Individuals who want to make money by publishing at their own expense need to meet at least three conditions: first, the book itself is of high quality, has a selling point and has market demand, which is better than similar books on sale in the market; Second, we must keep up with the publicity and promotion work. No matter how good the book is, there will be another demand. If it is published and others don't know, it can't be sold. We should do a good job in publicity and promotion; Third, there are good sales channels, such as online bookstores, physical bookstores, Xinhua bookstores and so on. In addition, if there are some highly oriented books, there should also be special channels, such as schools. The channel is to let readers buy your books when they want to buy them. Personal publishing is difficult to meet these three conditions. Most authors choose individual publishing, which is really helpless, because they want to publish regularly and can't meet the requirements of publishing houses, so they can only choose to publish at their own expense. Moreover, publicity can't keep up. Personal propaganda influence on the internet is too small. If you spend money to find a company to promote, the cost is too high. Secondly, in terms of sales channels, many individual publishing houses take the form of individual underwriting, and the publishing houses are not responsible for selling books to authors.
There are also a few individuals who can make money through publishing. For example, the author is famous or has superb skills and is influential in the circle, such as ps skills and typesetting tutorials, which have been recognized by many people, and the corresponding published books will also be bought. -Published by Gollum Culture Media at its own expense.