Craigslist is not always the best advertising option but there are certain situations in which a business cannot afford not to advertise on Craigslist. For the purposes of this article we will examine two common scenarios where a business owner should definitely consider advertising on Craigslist because failure to do so can be detrimental to his business. These examples include small startup companies without a large advertising budget and existing companies whose direct competitors are advertising extensively on Craigslist.