can u promote affiliate products without having website?

[Jake]

The great majority of people who try affiliate marketing fail, not having your own site would further handicap the chances of your making it. Some try spamming site like Yahoo answers and forum with affiliate links, but the conversion rates are probably not too good, normally an ecommerce site gets 1 sale for every 50 to 200 visitors, junk links would need to get more clicks than that.

It's far more difficult, your own site that gets 'free' search engine traffic is most likely to be profitable, also many products do better when you warm up prospects with a pre-sell copy on your page that links to the product. Alternatives would be using paid advertising that goes directly to the product site, using an external tracking service, an email list (which most commonly would have been build from an opt-in page on your site)

Some make some sales from completely free hosted sites or social site pages, like Facebook fan pages. Ultimately setting up a site is not the most difficult part of a successful affiliate marketing campaign.