Build a Website like OLX/Craglist/backpage

Hello Everyone, I am looking for someone who could develop a classified ads website for me. It will be for all regions of the world. Please tell me how much time you need to make it and what are costs involved? like Server monthly cost for accommodating traffic, designing cost, and templates,plugin etc. If you can make better site than OLX, i will be happy to pay you some bonus. Kindly start your bid by answering the following questions: 1. Have you ever developed classified website? If not then how could you develop? If yes, post your URL. 2. Do you think , you can make a better site than Olx? 3. What are costs? 4. can you add payment receiving options? Paypal, Skrill, Bitcoin etc? 5. How much time will it take to develop it? 6. Can you add some special features to the site that we tell you ? Please only experienced bidders should place their bids. Happy Bidding!