How would you Leverage a Craiglist Scraper to Make Profit

Get more details here: http://www.botguruz.com/
The Google maps information scraper, web bot, information mining services, Linkedin scraper, Twitter scraper, Facebook scraper, email extractor all these scraper play an important role in business development as their scraped data are used towards boosting the efficiency of the business marketing. This is a lawful way to deal with getting information from the web and use that in the business improvement. How would you leverage a Craiglist scraper to make profit? For gathering promotional emails for the advertising business, this scraper can be exceptionally useful.