It makes the reader much more inclined (now that he trusts you) to click on your CPA offer
Just don’t let him down by sending him to a fraudulent or “scammy” offer!
Do remember to check your CPA offers out personally, before building a site around them (without violating any “don’t click on your own ad” rules).
Some suggested ways to increase reader interest (and content value):
Be specific. Don’t write generic material – seek out valuable, concrete tips. Look for material no one else has covered.