One of the most common online businesses around is affiliate marketing.  Thousands of people have become successful by simply selling products and earning commission from them, but it isn’t an easy process.  The first thing you need to do is research and choose the kind of product you are going to sell to your customers, and this article’s going to show you how.Secret #1: Understanding Your MarketYou have to know what product you are most familiar with to be able to effectively sell it to other people.  This means you need to spend some time researching on what is in demand, what product ideas seem great, and of course what you are interested in.  Once you find your niche or specialty, you’re ready to sell.Secret #2: Having Group OffersOne way of adding some variety into your niche is by setting up group offers in your affiliate marketing website.  By gathering group offers that are all related to your niche will not only give your customers more choices but an idea of how reliable a seller you can be.  You can also look at some of the group offers from other affiliate marketers to get an idea of how the products are being chosen and presented.Secret #3: Making Good Use Of Different MediaNever forget that media can help a lot in your marketing campaign.  By studying online videos, weblogs, and even take a look at some of the images displayed by affiliate marketers will you be able to get an idea of what your products should be and how they can be presented to the public.Here are the 3 different methods which you can use to select the correct product. Do spend some time on choosing the right product as it will ensures that you are providing the right solution and your customer will purchase the product.