They are offering the ability to purchase one of the mini courses they offer as rentals that you can keep forever. The offer is only good on Memorial Day.
You can browse the courses available here but can't purchase until 5/27
Content on HealthUnlocked does not replace the relationship between you and doctors or other healthcare professionals nor the advice you receive from them.
Never delay seeking advice or dialling emergency services because of something that you have read on HealthUnlocked.