SEO for an online classified

Hi I have an online classified and interested to drive more traffic to my site, I have paid so much money for SEO and non I have hired could help me out that much, this time i am not paying any money up front and only pay when traffic start to come, so you if you require money up front or if you require any mild stone , dont bid on this because it is not going to happen I only pay after result and not paying a penny before that also if you send me an offer and i dont get back to you, stop sending me any message, If i am interested i will contact you , you dont need to send me100 messages to get my attention. if you are interested, shoot me your offer including your work experience and tell me what you can for my site, AS I MENTIONED I DONT PAY A PENNY UP FRONT, SO DONT BOTHER IF YOU DONT ACCEPT THIS