Building trust with your audience is paramount in affiliate marketing, and the quickest way to lose trust is to recommend products either you haven’t used before or that aren’t a good fit for your audience. Also make sure you never tell anyone to directly buy a product, you are simply recommending the product. The more helpful you are and the more you make quality recommendations, the more likely your web visitors will come back for your expertise.
Whether you're starting a new business from scratch or already have an existing business (offline or online), affiliate marketing is a great way to generate income online. All you have to do it recommend relevant products or services to your audience and the vendor of the product your are promoting handles everything including product creation, handling the sales process, customer service, refunds, etc.
This is another thing that affiliate marketing beginners need to be aware of. Affiliate marketing is not limited to blogging and social media. You can actually do it using email. However, the challenges that you face here are more or less similar to the ones that you face when it comes to blogging. Without a big audience, you are probably not going to be able to make it work. Anyway, there are many ways of increasing your mailing list. You can use your blog, as an example, to offer freebies to those that are willing to sign up for your newsletter.