Always Research more on the products you are marketing. It is always good to know ALL about it. That is why i will only recommend Paid to Click sites that i have joined and is seeing returns. If you are marketing a product, it will be wise to study it throughout and know it well. If you wanna start a site about it, you need to let the consumers know what they are getting into. That way they will feel secure dealing with you.
Good luck in your ventures! Till tomorrow!