There is a massive list of HSA eligible expenses, too. I am not advocating that people go out and spend their HSA money frivolously, but if you need to buy something that seems medical-related and you already have HSA funds, maybe look into getting reimbursed.

The coolest one to me is if you're overweight or at risk for things like diabetes or atherosclerosis you may be able to get your doctor to write you a note allowing you to get things like fitness classes, gym membership fees, or fitness equipment (stationary bike, treadmill, etc.) paid with your HSA funds. In many cases prevention is the cure, and exercise is hugely hugely beneficial in preventing and managing a wide range of maladies so if you stick to it you may actually be saving yourself an even bigger medical expense down the line.

https://www.healthequity.com/hsa-qme