FSA vs. HSA: What's the Difference?

With both an FSA and HSA, you can use pre-tax dollars to pay for medical expenses. So, what is the difference between an HSA vs. FSA?.
With both an FSA and HSA, you can use pre-tax dollars to pay for medical expenses. So, what is the difference between an HSA vs. FSA?

HSA vs. FSA: What's the difference? – The Retirement Solution

What's the Difference Between an FSA and an HSA?

Healthcare FSA Vs. HSA—Understanding The Differences – Forbes Advisor

HSA vs. FSA: Diagnosing the Differences — Ascensus

FSA vs HSA: Which One Is Right to Offer Your Employees

FSA vs. HSA: What's the Difference?

Healthcare HSA vs. FSA: Understanding The Difference - Alliance Health

Financial Foundations – FSA vs HSA

FSA vs. HSA: Difference Between FSA and HSA Accounts