Affiliate Product promoting best Technique

Hi All,
Im a newbie to affiliate marketing. I have a some questions regarding it. Plz help…
My concern is publish some articles about my product & get the traffic…
In this scenario …. In my article what link should I promote?
I mean I should link to my blog or I should link to my promoting product page? ….
And Are their any good techniques where you can promote a product without your own site?
Thanks in Advance.

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