If you don't have a lot of money you will get a subsidy through healthcare.gov. Depending on your income insurance can be as little as $100 per month. Another option is to go with crowd funded group insurance, A good one is one associated with a Christian group (you don't have to be Christian but they assume you are keeping with their values). A good one is Christian Healthcare Ministries: https://www.chministries.org
You need insurance or it can wipe you out financially.