Need 20,000 Unique Visitors To Each Site

Hello Everyone, We need Unique 20,000 visitors to each of our website, we may have around 5000 websites order to generate 20,000 unique visitors to each site. So we need someone good person who can provide us good solution or service at cheapest cost to generate 20,000 visitors for us on each website. Please bid for each site price, means bid with price for each site you will get and will generate traffic 20,000 visitors unique from diffrent ips to each website. Metion price at message board for 1 site.... there are alot of services online asking to pay $10 or around for 20,000 unique visitors but we need more professional person at cheapest rate then other service.