Keep track of your affiliate links through some kind of spreadsheet or document to keep yourself organized. As you grow this income stream, you will add more affiliate links. Over time, it can become a large number of affiliate links. Start an organization system early to avoid stressfully searching for your affiliate links in a mountain of emails later on.
The second (and cheaper) path assumes that you have the design and dev chops yourself to build your dream software. Naturally, it’ll take more time to get your product off the ground, but being able to bootstrap the development of your software lets you retain more ownership in your business and be more in control of your path, making this a lower-cost, but higher time investment to make money selling apps.
Once you have the affiliate links you need, it is time to present them to your audience. As you start using affiliate marketing to talk about products, you need to be aware of how your audience perceives you. If your website appears to be only after their money through an overwhelming amount of affiliate links, then they are more likely to simply leave your site.