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.

ShareASale — ShareASale provides access to more than 3,300 separate merchant affiliate programs in many vertical markets, including food, apparel, and home and garden. The network has smaller brands than most of its competitors, but many affiliate partners offer high payouts: The stationary company Tinyprints offers 10% commission on sales, or $5 per lead; while PerkStreet Financial Commissions offers as much as $50 a sale. The Affluent Blogger’s Aiden Clinton speaks highly of ShareASale’s intuitive web interface, asserting that it is particularly convenient for companies that run multiple websites. ShareASale also offers referral bonuses for signing up new affiliate marketers.
Building trust with your audience is paramount in affiliate marketing, and the quickest way to lose trust is to recommend products either you haven’t used before or that aren’t a good fit for your audience. Also make sure you never tell anyone to directly buy a product, you are simply recommending the product. The more helpful you are and the more you make quality recommendations, the more likely your web visitors will come back for your expertise. 
Affiliate marketing is commonly confused with referral marketing, as both forms of marketing use third parties to drive sales to the retailer. The two forms of marketing are differentiated, however, in how they drive sales, where affiliate marketing relies purely on financial motivations, while referral marketing relies more on trust and personal relationships.[citation needed]
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