Use analytical tools like Google on your website. It will give you and idea as to the demography of people visiting your site. This will enable you to choose the right products to be affiliated with to increase. Sale. Example if people visiting your site are young from age group of 18 to 30 and you are affiliated with products like home decor or redecorating kitchen. It will not fly. Change your affiliate to cater to the audience of your site.
This is a very common way to promote offers. For example, you will often see a blog post with links to certain products or services. If the reader clicks through and makes a purchase, the blog owner will make a commission. These in-text links blend in with other content on your site and are a great way of promoting an offer within your content, without being over-the-top salesy with banners.
Go Direst to Merchant Sites: Some merchants choose to handle its own affiliate sales and payments. For example, the Elegant themes affiliate program is run from their website. If you see a product that others are selling then the first place to visit is the merchants website. Most will have an affiliate link for more information on how to join their program.
And what about joining another company's affiliate program? It's all about extra revenue. Think about your customers' needs: What other products or services would interest your site visitors? Join those affiliate programs. Affiliate programs can increase your sales with no upfront cost to you. It just takes a little time to plan your strategy and select the partners that will have the greatest impact on your business.