The brimhaven Agility Arena.
FINROCKS!
The quickest way is to use the Monkey madness agility course, It should take about 3 weeks to 6 weeks.
this is not possible unless you cheat. plus you need membership to get agility
Power-fishing at Shilo Village is great for fishing experience.
The best way on runescape to get 99 attack is to get 70 def 70+str the higher the better in str and the def is so that you can wear guthans.Then all you have to do is go to bandits and camp there
training at Baxtorian falls is the best way, but you need to be a member. otherwise train at demons in karambja
Probably training on Fir Giants at baxtorian falls.
The usual method is to fight. If you have a membership, I suggest you combine combat training with Slayer tasks.
Go towww.runescape.wikia.com/wiki/Woodcuttingit's got a good guide and there are other guide if u search the internet.I've got 99 WC ;)
train your agility to 99.. lul
For starters as lvl 1 agility, you can use Gnome Agility Course located near the Gnome Stronghold. You can go to Wilderness Agility Course at level 50 and it's a good way of getting fast agility, but beware of revs and damage from failing the obstacles. Since you're a lvl 3 I doubt you've done Monkey Madness. If you have miraculously, you can then go to Ape Atoll Course at lvl 75 Agility. If not, continue Wilderness Agility Course till 81 or 85. Depends if you're desperate to get out of Wilderness. You can use agility potions and summer pies to boost your agility level from 81 to 85. Congratz! You can now go to Advanced Gnome Agility Course, great xp about 735xp per lap. Once you've reached lvl 90 agility, you can go to Advanced Barbarian Outpost and repeat laps till 99 agility. That's what I did to get 99 agility. It's quite fast. Happy agilitying
Seriously, the fastest way from level 90-99, is Soul Wars. It takes 2 weeks to get the 1000 points and every 100 points gets you a level.