1. If your woodcutting in 70 level, can try to cut down trees, general yews sixty k/h, the faster the higher grades
2. If your magic in 31 level (I remember is) above, to chaos temple with telegrab take zamorak wine, usually about 100 k/h
3. If your mining in the 85 level, dig rune ores, an hour 500 k - 1 mil (don't cheat you)
4. Smith steel bars, buy coal and iron ore to the iron furnace ironmaking, an hour 100 k should be no problem
5. Now that you have several mil, can go to the grand exchange fry, if one day make a correct judgment hundreds of k is a mere trifle
To make money, I suggest that you first practice skills to I say level, otherwise don't make much.
As for the free member... You still don't entertain wild hope now, that is used to cheat the number