scrape google, yahoo and bing search

i want the first 50 results of google, yahoo and bing to be crawled / scraped 2 million times per day, every day for each search engine. we provide the DB of keywords to use. (60 million per month, every month for each search engine). You can use any language you need - web based or computer based, but we need the results every month. Please only apply if you know how to do this. we want the software and you to maintain it. Very good prices paid for the software and maintenance of the system. Thanks