First, get the healing salve schematic in Herbology (Technologic) go to Shrouded Hills, and find Gaylin. Buy Ginka Root and Kadura Stem from her. Change them into 5 Healing Salves. Go back to her, and sell the Healing Salves back to her. You will get way more than you first payed for. Go outside, and make sure her door shuts. Advance one day, and repeat the process above.