You can create a win-win proposition in which a buyer wants, and readily requests information from your web site, and happily pays you for it, all electronically, even while you sleep!
The information is digital, usually in the form of an electronic book (eBook). Once purchased, transfer of the information to the customer is digital (via the internet) and immediate. And the transfer of the customers money to your bank account is also digital (via Paypal, Clickbank, and others) and immediate. The customer wins because he/she got needed information, immediately. You win because your bank account grew, immediately.
You create the information and then you own it (its your asset). Or you can become an affiliate of someone else that owns the information and who has given you permission to promote and sell it. The production cost is mostly related to the amount of time spent at the keyboard creating the original digital product. Unlike hard, physical products like the ones you can hold in your hand (for example, a hard-bound book or a toaster), the cost to reproduce digital information is essentially zero. This is a great advantage in that identical copies of...