There are many affiliate programs which pay you recurring income & this is one segment which helps you earn money on autopilot. You will keep making money as long as your referred users stay with the company. Of course, quality of the products plays a major role as nobody would stick to a product or a brand which is not of high quality. Probably this is why companies who have trust in their product offers recurring commission.
You will not engage in any promotional, marketing, or other advertising activities on behalf of us or our affiliates, or in connection with an Amazon Site or the Associates Program, that are not expressly permitted under the Agreement. You will not engage in any promotional, marketing, or other advertising activities in any offline manner, including by using any of our or our affiliates’ trademarks or logos (including any Amazon Mark), any Program Content, or any Special Link in connection with email, offline promotion or in any offline manner (e.g., in any printed material, ebook, mailing, or attachment to email, or other document, or any oral solicitation).
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.