Hi justray,

There are a lot of affiliate program.
The best affiliate program is clickbank
What you have to do is just signup as their affiliate
get the affiliate link
and start promote that you like to choose.
when someone buying the product from your affiliate id then you'll earn commission from 40% to 70%.

If you want to sign up the adsense account
you can go to google adsense website
and fill all form.
but please make sure that you have website or blog before you
can apply google adsense account.

Before you apply for an adsense account make sure you have at least 5 posts up, because someone from the adsense staff will manually check and approve your site.

Read the term of service at Adsense before signing up and take a copy of them
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