If can get a free potion every day from the NPC(EX)Maple Administrator), it will be a great help to newbies in the early game.
( lv 11~20 -> Orange potion 100 & Blue potion 100 / lv 21~30 -> White potion 100 & Blue potion 200 )
To avoid selling potions to earn meso, the selling price should be 1 meso.