Unscrupulous affiliates can squat on domain names with misspellings and get a commission for the redirect. They can populate online registration forms with fake or stolen information, and they can purchase AdWords on search terms the company already ranks high on, and so on. Even if the terms and conditions are clear, an affiliate marketing program requires that someone monitor affiliates and enforce rules.
Most businesses require startup fees as well as a cash flow to finance the products being sold. However, affiliate marketing can be done at a low cost, meaning you can get started quickly and without much hassle. There are no affiliate program fees to worry about and no need to create a product. Beginning this line of work is relatively straightforward.
Cost per click was more common in the early days of affiliate marketing but has diminished in use over time due to click fraud issues very similar to the click fraud issues modern search engines are facing today. Contextual advertising programs are not considered in the statistic pertaining to the diminished use of cost per click, as it is uncertain if contextual advertising can be considered affiliate marketing.