try buying a brass key then go to the house that has a locked door that is guard with goblens and close to the grand exchange. inside you will see hill giants lvl 28. when you kill them they trop big bones. 3 big bones = 1000 GP
If you are members you can kill baby dragons for their bones, 648-718g gp, 683 market price.
Regular Dragon bones are 1,948- 2,154 gp each. Sweet..?
Another members thing I favor is, you can sell mort myre fungus after you've done the nature's spirit. It costs 648- 718 gp each. The market price is 683 each. Sell it for the lowest and usuall people will buy for the highest.
Ok so if you're non members, you can smelt iron and coal to make steel bars.
If you can get 200 coal and 100 iron ores, you get 100 steel bars. Head for 100 steel bars a day. It costs 595-659, market price is 627 gp.
You can sell big bones, they cost 323-357 gp each. The market price is 340 gp each.
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