That seems pretty pricy given I’m getting 30 tadalafil 20mg for $19 also thru GoodRx… Originally Posted by ConoLoverObviously you need some mathematical help so let me serve as your teacher. He is getting 800 mg for $18. If you devide $16 by 800 you get around $1.00 a milligram. $1.00 is a lot cheaper than $18. So he is paying 80%> less than you and pocketing the other $14.