Buy a house in Skingrad and go to the West Inn. A lady will ask you if you need someone to look after you're house - say yes.
When you gets into your house, talk to her and she will ask you what you want.
Choose shepherds pie. You can have as many as you want. Then make the pie into a potion and sell them to the shop.
You will alchemy up, get merchantile, and also get moola.