A relative newcomer that was only founded in 2014, ConvertKit has taken the world of email marketing by storm. According to the company, they now have nearly 20,000 active customers of their email services. Their affiliate program works by paying existing customers a lifetime 30 percent commission for referrals that subsequently become ConvertKit customers or who sign up for ConvertKit webinars and other digital products.
“ShareASale is solid. Been using them since 2013. Biggest problems with them is the interface is a little dated / wonky. It’s also difficult to deal directly with the advertisers. You think you’re speaking to an advertiser rep, but it’s really just someone from SAS. You have to use a special (hard to find) contact form to contact the advertiser….and it’s rare you get a direct response from them.”

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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