An Affiliate Marketing Program is one of the most popular methods of making money on the internet.  There is no need to purchase a domain name or acquire web hosting though each of these make life a little easier.  The trade off for not needing webhosting or a website is that it may be necessary to spend money on advertising.  The basic concept of affiliate marketing is that someone else created a product and allows you to earn a commission from selling their product for them.  In many cases - the best obviously, the commission is as high as 75%.  This makes it very lucrative for you to promote if you can do it ad low or next to no cost.

Money can be made through online affiliate marketing or offline marketing.  With offline marketing, one runs classified ads in print media or flyers or business cards.  Online marketing methods include pay per click, banner advertising, videos, article writing, press releases, email marketing and a host of others

Last but not least, an affiliate referral program helps to spread the word about the products and program.  Word of mouth is often better than any amount of money spent on advertising.