Why did some novels have to be paid?

There were many reasons for paying for novels. The most common ones were the following: 1. copyright fee: a novel is a literary work, and the copyright is usually owned by the author or the copyright owner. When a novel was published or adapted into a movie, TV series, game, etc., the author had to pay the copyright owner a copyright fee. 2. Creation Incentives: Some novelists would give their readers certain rewards such as money or items in order to encourage themselves to continue writing. This kind of reward mechanism could motivate the author to create better and also increase the reader's interest in reading. 3. Revenue from advertisements: Some novels may receive revenue through advertising sponsorship. As a carrier of advertisements, novels could attract readers to read advertisements and increase the profits of the advertisers. 4. Reward income: Some novels would provide readers with a reward function. The readers could pay a certain amount of money to the author through the reward, and the author could receive the reward. Giving money for novels was a comprehensive way to motivate authors to create, increase readers 'interest in reading, and increase the profits of advertisers.