Good RuneScape money making methods/training?

Buy low and sell high on the G.E or train WC and cut yews and magics

Personally i buy items and keep them for ages until the prices go up from the original price.

let me list some: merchanting; you buy stuff at a low price and sell them at higher prices, it's easy, but if you don't buy the right item, you can have trouble wood cutting: yew trees are the best ftp trees, they tend to sell for more than ore but aren't always in demand; you'll have to find an uncrowded world to cut trees in ore mining: usually sells for less but is often far from a bank, however, it's in demand more because it's more useful, so it's sometimes difficult to avoid other players essence mining: the essence sells for around 16-18 gp per essence, but there are banks near the portals and it's always in demand, fishing: takes a while but they can sell for a lot cooking: not the best way because cooked food often sells for less than the same food uncooked runemaking: takes ages and is only worth it if you're a member bone collecting: takes a while but if you sell boatloads of them after storing in the bank, you'll get a lot giant killing: giants drop big bones which sell for a lot, but other people usually want them too helping other people: you have to do lots of stuff but they usually pay a lot what i reccommend depends on how patient you are; if you're really patient and have lots of time, mine rune essence because it's always there; you don't have to compete for rocks, it's easiest to fill an inventory, store the essence, go back, and repeat, until you reach your goal lvel (mine's 70). if you just focus, it's much easier to do and saves time. just store up the essence and then sell a boatload, it's easier to be motivated. like i said earlier, it's always in demand if you don't mind training no stats while making money, then go to the front of varrock castle and collect bones other people leave behind and store them, to later sell by the thousands. if you have a lot of time, try offering to help other people with quests around the g.e. (for 10k+) and you'll eventually get the cash