You just need to register for free on Wanjiebo (need to activate the verification email), then you can freely upload various resources (need to comply with supported formats, single file limit is 100M). During the upload process, in addition to setting conventional information such as product name, description, tags, and categories, you can also set its sales information, including whether it's free to watch (read), whether free download is allowed, whether reselling is allowed, the price for downloading, etc. After confirmation, the product can be sold. If set as free to watch + paid download, other users will need to pay the corresponding fee if they want to download the product after watching or reading it (after registration and verification, you will receive a gift of 2 yuan from the website, which can be used to try purchasing and experience). This way, on one hand, it respects the copyright, and on the other hand, it can also bring some returns to the owner of the product, achieving two goals at once.