The problem with doing this, is your company is associated with other companies who offer bargain basement prices, along with poor quality. (for the most part). There are a few exceptions to this and the companies who are decent are devaluing their services by associating themselves with poor quality companies. Also, the customers who frequent Craigslist are most likely just looking for cheap prices, just like dollar store shoppers. In business, the cheapest customers are often the most difficult to deal with.