The document provides information about enrolling in a 2019 Marketplace health insurance plan. Open enrollment began on November 1st, 2018 and continues until December 15th, 2018. During this period, people can apply for and select a plan for 2019. The document notes that health insurance is important as it provides coverage for serious illnesses and expensive treatments. However, rising healthcare costs make it difficult to find affordable plans that provide comprehensive coverage. It concludes by advising people to check their eligibility for financial assistance and compare plan prices and coverage levels when selecting a 2019 Marketplace insurance plan during the open enrollment period.