craigslist scraper and emailer

I need a .ASP VB program that does the following: [login to view URL] thru certain craigslist pages [login to view URL] keyword to limit searches [login to view URL] data and inserts into MySQL database [login to view URL] automated email responses to ads 5. retains phone numbers when email not available 6. would like to keep source code, to make future enhancements if needed thx