Many Americans have left the hospital concerned or surprised at how much or little they've spent for a service there. Well, thanks to a federal law, there will soon be more transparency on how much you'll be spending after your hospital visit. Starting on January 1, 2019, a federal law will require hospitals to post a master list online for how much the facility charges for a service. Often times, little to no price transparency can make it difficult for consumers to price compare. Other times the final bill is almost never the same as the "sticker price" due to...