Of all of the ways to make extra money online, there is one that is often untapped and unknown: selling PLR products. PLR products, an acronym for Private Label Rights products, are normally electronic products sold in the form of e-books, graphics, articles and templates. Once you purchase Private Label Rights, you are free to modify, amend or sell the electronic products the way they are. Selling PLR products can lead to several profitable opportunities. Demand is extremely high for electronic resources, and electronic products make up a substantial amount of affiliate sales.