AdvertisementThe Cost Of Free: Casper Pays A Price For Generous Mattress ReturnsJanuary 17, 2020Alina SelyukhfacebookEmailCasper changed mattress shopping with the promise of a 100-night "risk-free" trial and easy returns. Now the cost of those returns is being scrutinized as the online company prepares to go public. (The Washington Post via Getty Images)