Hours: 250-300

Money Earned: 0(willows) 33-63M(yew/magic)

Level 1-15: Normal Trees

Level 15-30: Oak Trees

Level 30-99: Willow Trees(50-60k XP/Hr)

or if you want to make money(slow method)

Level 60-99: Yew Trees(33M)

Level 75-99: Magic Trees(63M)