Jacchri,
Thank you for the interest in a purchase. I am aware the prices are very low. I have had potions for sale at the recommended prices with no interest, and due to a present need for more inventory space I am finding it necessary to liquidate these lesser potions at the reduced rate. As my space increases and there is room for more inventory, the prices will rise...all the better reason to scoop up some of these deals while you can. Also, I will be focusing on some of the harder to find potions, which means there will be fewer of the types you are seeking. I am in Hlint rather often, contact me and I will give you the current amount and types of what I have left. I will reserve the remaining Fox's Cunning and Owl's Wisdom potions I have for you.
-Stygian Achnman