Affiliate link disclosure is a hotly debated topic. Well now it looks like the
FTC is planning to regulate disclosure, as well as false or exaggerated claims.
Conflict of interest as explained in the Post story includes payment, gifts and even freebies given in exchange for a blog post, recommendation or review. The article is focused primarily on blogs but I assume sites would be held accountable too.
So like it or not, it looks like affiliate links are going to need to be disclosed.
Today Brian Clark at CopyBlogger wrote a dynamite post about how to turn ugly link disclosures into an actual selling benefit. It's a excellent read filled with info you'll need to deal with the upcoming FTC guidelines.
How to Turn Affiliate Marketing Disclosure Into a Selling Point
Other good coverage:
Proposed FTC Guidelines & How They Affect Affiliates & Bloggers
FTC Going After Bloggers = Epic Fail