© AP Screen shot of the home page of HealthCare,gov.
Open enrollment is always tempting to ignore. When those weighty health insurance booklets arrive demanding that you make important elections right before the holidays, millions of Americans set them aside and either decide to look later -- or never. Whether that's because they're happy with their employer-sponsored health plan and don't intend to change it or simply because they neglect the choices until it's too late, experts say ignoring open enrollment is becoming increasingly costly.