Giants are good subjects to train high level combat and gain rs gold in my opinion. Only if you have a runescape account, you can try this way following my article.
Even if you don’t know much details on how to buy a runescape account to train skills and earn rs money, you can feel free to go to Farmer100 blog to read useful Runescape guides, including power leveling, skills training, rs golds and some special offer on Farmer100 which may sell rs accounts for free if you are lucky enough.
To train high level Combat is of great significant as you can win in a fight if you have high level Combat. While killing rs players and monsters are the most common methods to complete a quest. You can head over to Varrock once you get the Big Bones and Liupwurt Roots filled with your Big Bones, then store them and return to make money and train your level. You should carry as much as you can, like big sucks.