Affiliate Marketing Secrets

Perhaps most common question for you Guys :
But i have some doubts :
1. How to get affiliates ? Do i have to approach them ?
2. How to make them approach ?
3. Is payment is solely made at the amount of traffic ?
4. What if there is null traffic in a month ? Will i receive anything ?
5. How much one get after making a website in Indian rupee every month ?
Thank U