"Insurers are going to want some other filter to keep out people," said Karen Pollitz, an expert on individual health insurance, now with the nonpartisan Kaiser Family Foundation.
New GOP health plan could raise premiums; no vote scheduled →
"We all have different health care needs and we have them at different times," Pollitz said, adding that without set benefits, plans will be like "an air bag that only covers half the car."
Will final health care deal match Trump's campaign pitch? →