I put my affiliate link in many of my sites and mailed to may of my friends.One of them replies that he just buy one product with my affiliate link. But I can't see any increase in my account ? How long it takes to get the commission ?
yes man many people are doing this ....you're absolutely allowed to market your affliliate link via adwords
I agree, many people are doing it, including myself. But... If you are going to use the affiliate links to advertise them directly via AdWords, make sure you read the advertisers' Terms of Use. Some advertisers do not permit direct linking. And, if you have a website that has low quality score (by Google's standards) you will either have to pay a lot per click or your AdWords ads will eventually be stopped altogether (after the Google's bot checked your landing pages). Your site has to be origianal in content and user friendly for AdWords to give you a low CPC and longevity.
It takes a few hours for the commissions to show, I would not recommend using friends as a source of leads though (due to various ToS issues).