Not sure about the early levels but at 43 magic I think you can superheat, which can even make a profit if you're doing iron ore(I think) and is very good magic AND smithing xp
- Cast spells on NSP's till you get about 25 Magic
- From 25 magic keep teleing to Varrock and when you unlock more tele spots as such as Camelot, Falador & Lumbridge and then until you get 55 Magic just alch.
- Alch from 55 Magic to 66