i got a blog about badminton and i going to try earning some $$ from amazon AFF though adwords.. any 1 give me some idea please..which country should i put and which shouldn't to reduce my cost.. thanks for any one giving advise..
You should try google insights for search when looking into search popularity by country. Here's what I got for Badminton:http://www.google.com/insights/search/#q=badminton&cmpt=q Seems to be most popular in SE Asian countries