The easiest 99 to get is Cooking, the Cooking exp per hour (on just Lobsters) is around 190k with the use of the best non members cooking urn. One urns exp bonus equates to 9 lobsters. Thus urns are a good investment. They reduce the amount of lobsters you need in total and from lvl 60-99 cooking, 1.1m of the exp will have been from urns! And as to date of June 2012, cooking is the fastest 99 to achieve.
Fletching for members. (Maybe construction if your willing to spend 200m). For nonmembers cooking
Work your way up to 63 hunter and hunt carnivorous chinchompas until 99 hunter. It's the fastest and easiest way to get 99 hunter and you make a lot of money on the way.
The five easiest skills to train are fletching,cooking,firemaking, hunter,and magic.But to get level 99 in any skill you really have to want that skill and it takes lots of time and determination.
The total exp is 13,034,431 experience for a 99 stat on RuneScape.
There is a girl that has 99 on all skills her runescape name is 'xxphatmagexx'.
The easiest way would be to use the spell High Alchemy to make your way up, maybe even gain some money.
Answer: Stop playing runescape. it sucks Answer: The easiest is probably cooking, followed by firemaking. Cooking should cost less than 5 million, even if you cook swordfish at higher levels. Both Smithing and Crafting are pretty fast, too - if you are able to spend several hundred million coins.
you train it
TRAIN
There are no cheats in RUneScape. Getting level 99 in ANYTHING requires a considerable effort.
you keep training your skill to get up to lvl 99
druidic ritual