About 27.5 million Americans live without health insurance, leaving them vulnerable to high out-of-pocket costs for medical, dental, and vision care. But having insurance in our current system doesn’t mean you’ll avoid exorbitant fees—regardless of how high your premiums and copays are. Americans can pay upwards of $4,000 a year just for healthcare coverage, and, still, their insurance plans might not cover mental healthcare, dental, or life-saving surgeries that insurance companies deem “elective.”