The four main insurances are: 1. Life insurance provides financial protection for your loved ones in the event of your death. 2. Health insurance helps pay for medical expenses, such as doctor visits, hospital stays, and prescription drugs. 3. Auto insurance helps pay for damages to your car and other people's property in the event of an accident. 4. Homeowners insurance helps pay for damages to your home and belongings in the event of a fire, flood, or other disaster.