Emergency rooms often bill you a “cover charge” just for walking in the door, and it can be thousands of dollars.That’s in addition to the huge markup on everything that happens there: seven bucks for a band-aid. Twenty dollars for a couple of pills.Reporter Sarah Kliff has collected more than a thousand ER bills from her readers at Vox.She was an expert on health care before starting this project — she covered it for years at the Washington Post before moving to Vox — but even she found plenty of surprises.Find Us OnlineWebsite: http://armandalegshow.comTwitter: http://twitter.com/armandalegshowInstagram: http://instagram.com/armandalegshowFacebook: http://facebook.com/armandalegshowAbout UsHost: Dan Weissman (www.danweissmann.com)Editor: Whitney Henry-Lester (thedarlingkiller.com)Consulting Producer: Daisy Rosario (@RunDMR)Audio Wizardy: Adam Raymonda (adamraymonda.com)Music: David Winer (wearefancymountain.com)Image adapted from a drawing posted to flickr by Wellness Corporate Solutions.See omnystudio.com/listener for privacy information.