As corny as it may seem or appear, making money while sleeping is very doable. Investing is a way to spend money as you are busy with life to make full use of your labor in the future. Affiliate marketing is a marketing scheme where an enterprise offsets partners created from the marketing policies of the affiliate marketing company. Some of YouTube's most-watched channels are making money through affiliate marketing. Amazon (AMZN) has popularized the practice by creating an affiliate marketing program.