In other words, there are many different ways to get the actual links into the article. You don’t want to over do it and look spammy. However, if you really are providing top-notch content full of value then this shouldn’t be an issue. In most cases to provide that level of information you have to include a lot of great information. Which, of course, gives you plenty of places to put in those links.
Unless you know about the product very well, it is highly recommended to test it before you recommend it to your audience. This way you can offer your honest opinions and your consumers will trust you when they make a purchase.

First, you need to take approval to post their products link on your website or blog. Once you have got the approval, you just need to write engaging blog posts or pages that make it more interesting. This will arouse the curiosity of the visitors and boost the chances of your earnings.
The commission rate for Pay Per Sale programs is usually higher than other types of affiliate programs. But it's also a bit harder than the other types since you only get paid when your referrals purchase the products you're promoting.