Cheaper food as cause of poverty?! "dollar stores … cluster in low-income neighborhoods, their critics worry they are not just a response to poverty — but a cause. … they undercut grocery stores on prices of everyday items"https://www.washingtonpost.com/business/economy/as-dollar-stores-move-into-cities-residents-see-a-steep-downside/2019/02/15/b3676cbe-2f09-11e9-8ad3-9a5b113ecd3c_story.html?utm_term=.edffed36255b …