Medical items and bills can actually be something we can use as a huge tax saving. How? It is an often misunderstood and little utilized account called an HSA which stands for a Health Savings Account. A beauty of the HSA is that there is a triple tax advantage. This works because the money goes in tax-free as pretax income, this money grows tax free, and the money comes out tax free. HSAs are the only account that has pretax contributions AND tax free withdrawals, but you must have qualifying medical expenses.