I didn’t realize there was a limit until a few years back when I hit the maximum. I wish Amazon would increase it! To be honest, I find their tracking system pretty messy and think it needs an overhaul however, it is great for testing what works and what doesn’t. Most of what I’ve written about in other tips in these articles was learned through tracking.
You should also make sure you aren't competing with your own affiliates for eyeballs. Any marketing channels you're using, such as search engines, content sites or e-mail lists, should be off limits to your affiliates. Put marketing restrictions into your affiliate agreement and notify partners immediately. It's your program--you set the rules. Or, if you prefer, you can let your affiliates run the majority of your internet marketing.