Affiliate Marketing Secrets

When you put an affiliate link onto your site, do you incur any expenses by leading the user to that site? Google and Linkshare in general.
Be nice to know if I am planning on building a directory with over 500 affiliate links.

I use FlexOffers.com. they have some good affiliate programs including one from Discover Bank which pays $1 per click. Not bad.

Im starting with GDI but i still want to make more money. so are there any other affiliate programs that pay as much as GDI pays? and levels would be nice.

You make half of your money selling products. Half of your money recruiting new members. So they are MultiLevelMarketing enterprises.

I had been online marketing many affiliate programs, using articles and classified ads too. I just would like to seek a solution for answer. Can you help ?

How do I find out which affiliate programs will work in my state?
I was thinking about starting about a blog, but I found a long list of affiliates that won’t deal with people in my state due to tax laws. Amazon and adsense are on it.
Where can I find a list of affiliates who will deal With me? All I find by googling are affiliates that won’t.