No, you do not need to refer people before you earn, once you engaged in any activities like adding friends, refer people, post blog, join group, add profile picture, buy products and services and more. Regardless of your membership status you will earn unlimited rewards. But when you refer people you earn quickly, and you earn more rewards.
How much do I earn if I add friends, post blog, create group, join group, comment on post, add profile picture and buy product or services?
You will receive 500 tokenmoney coins, earn 25usd commission when your referrer upgrade to platinum member, you are entitled to give percent discount on all products, you will earn 5% commission when your referrer buy product or services, you can sell tour and hotel packages, post ads, post job, and more.