The reason why full-time master novels were now charged was probably because of the following reasons: 1. Commercial considerations: The novel has commercial value as a literary work. The author could make profits by adapting the novel into movies, TV series, games, and other derivative products. The author of a full-time expert novel that was popular on the Internet could earn money through selling the copyright. 2. Requirements of readers: The novel of a full-time master is a novel with strong competitive elements. The readers have a high demand for this type of novel. After charging, authors could increase their profits by improving the quality of their novels and attracting more readers. 3. Business model: Some novels have already started to adopt a business model, such as free trial reading for a period of time and then charging for a purchase. A full-time master novel could be a type of free trial reading and then charging for it. This business model allowed authors to improve the quality of their novels during the free trial period to attract more readers and then earn more money after charging. The reason why full-time master novels were charging fees now was probably because the author had obtained commercial considerations. The readers had a high demand for this type of novel, and they had adopted a commercial model.