If you’ve been to the doctor lately or filled a prescription, you know how expensive healthcare costs can be. If you have a health savings account, or HSA, you have access to a powerful tool that can make your expenses more manageable.

When you decide on a health insurance plan, you have the option of choosing one with a low deductible and high premiums, or with a high deductible and low premiums. People who are in relatively good health typically opt for the plan with the lower premium, which means they often have high deductibles. These plans have one advantage that helps offset their costs: HSAs.