You can increase your revenue without doing much work. If you join this Affiliate Program, GetAFreelancer.com will pay you a percentage of the fees they charge users you referred. You will earn 100% of all fees or commissions taken from the users. Information about affiliate program can be found on GetAFreelancer Affiliate Program page.

The referral URL is http://www.getafreelancer.com/affiliates/nipul1/(you can replace your name instead of nipul1 when becoming a member through this link)
Put a link or a banner as shown on affiliate program page on your website and earn from your website visitors.