HSA Advantages

HSA: Health savings account, or Health investment account, or Health retirement account

• Triple tax advantage (contribute, grow, withdraw all tax free)
  
• Invest HSA money (for future growth)
  
• Carry-over (HSA account belongs to you and no expiration like FSA)
• Tax free withdraw for medical expenses
• Penalty free 65+ use funds on anything (Use HSA for anything after 65 years old)
• Use the receipt loophole (Don't use HSA for medical expenses when you are young, you can reimburse yourself for past medical expense after retirement)
• You cannot contribute HSA when take medicare (Medicare at 65, no more HSA contribution)