I don't know what coupon your father got. But I know for a fact that such discount coupons exist. And what's more, they allow you to save a lot of money on the family budget. Here's one of them
https://www.charityrx.com/coupon/levothyroxine-sodium. There are, in fact, a lot of them. My wife is on the weekends looking for these discount coupons. You could say that too makes money. After all, we all know that saving money means earning money.