Writing – There is such a demand for content today. Whether it is blog content, articles, or business letters, this way of monetizing your skills has become quite common. Freelance writing can be incredibly lucrative and offers a flexible schedule. Most of the time, you can do your writing whenever and wherever you want – as long as you meet your client deadlines, of course.
Two-tier programs exist in the minority of affiliate programs; most are simply one-tier. Referral programs beyond two-tier resemble multi-level marketing (MLM) or network marketing but are different: Multi-level marketing (MLM) or network marketing associations tend to have more complex commission requirements/qualifications than standard affiliate programs.
In February 2000, Amazon announced that it had been granted a patent on components of an affiliate program. The patent application was submitted in June 1997, which predates most affiliate programs, but not PC Flowers & Gifts.com (October 1994), AutoWeb.com (October 1995), Kbkids.com/BrainPlay.com (January 1996), EPage (April 1996), and several others.