Google also began to suggest that publishers should be “nofollow”-ing links to advertisers, or else the publisher’s site could get hit with a Google penalty. This can all be avoided by establishing clear guidelines, staying up to date with FTC disclosure laws (and vehemently enforcing those disclosures), and prohibiting misrepresentation of your endorsements.
Research individual companies in your desired niche: If possible, it’s always better to become an affiliate directly with a company (if they have an internal affiliate program), as no one else will be dipping into your commission rate. This is the preferred route for most of the prominent affiliate marketers, including Pat Flynn. Unfortunately, it’s also the most work, as you’ll have to do the research yourself to see who offers programs (they’re usually listed in the website footer).