Price: The price of the ebook should be fair and reasonable, taking into account the length and quality of the content.
Payment: The buyer should be able to pay for the ebook using a variety of methods, such as credit card, PayPal, or debit card, UPI
Delivery: The ebook should be delivered to the buyer in a timely manner, and in a format that they can easily use.
Refunds: The buyer should not be entitled to a refund if they are not satisfied with the ebook.
Copyright protection: Ebooks are protected by copyright law, which means that the author or publisher of an ebook has the exclusive right to reproduce, distribute, adapt, perform, display, and create derivative works from the ebook.
Fair use: Fair use is a legal doctrine that allows for limited use of copyrighted material without permission from the copyright holder. Fair use is often used to allow for things like criticism, commentary, news reporting, and research.
Digital rights management (DRM): DRM is a technology that can be used to protect ebooks from unauthorized copying and distribution. DRM can be implemented in a variety of ways, such as by encrypting the ebook file or by requiring users to enter a password before they can access the ebook.