Zeewolf: Thanks for the replies. I've already completed WIT, and I'm past the second elemental now.
I guess I'll see how much money I have towards the end of my stay in Shapeir. Right now I'd rather spend it on pills and stuff, but we'll see. Guess I'll get some cash when I finally manage to break into the weapons shop.
I wouldn't worry too much about buying as many pills as you can. Don't get me wrong, buying pills is a good idea, but you will have highly limited use for them later on, and if you are planning on importing your character to QFG3, not all of the pills carry over (I think you get 5 of each no matter how many you have by the end).