Clearly a guide from an exped bowman. Add some more builds if you can and clearly state the levels at which you will be puting points into skills; below is an example of my AB build (allows you to get AB for third job, while still going the faster DS way from 10-70):
Archer
10 Arrow Blow (1)
11 Double Shot (1) Critical shot (2)
12~17 Critical Shot (20)
18~23 Double Shot (19)
24 Double Shot (20) Blessing of the Amazon (2)
25 Blessing of the Amazon (3) Eye of the Amazon (2)
26~27 Eye of the Amazon (8)
28~30 Arrow Blow (10)
Hunter/Crossbowman
30 Arrow Bomb (1) / Iron Arrow (1)
30~35 (Cross)Bow Mastery (15)
36 (Cross)Bow Mastery (17) (Cross)Bow Booster (1)
37 (Cross)Bow Mastery (19) (Cross)Bow Booster (2)
38 (Cross)Bow Booster (5)
39 (Cross)Bow Booster (6) Soul Arrow (2)
40~48 Arrow Bomb (28) / Iron Arrow (28)
49 Arrow Bomb (30) Power Knock Back (1) / Iron Arrow (30) Power Knock Back (1)
50~55 Power Knock Back (19)
56 Power Knock Back (20) Arrow Blow (12)
57~58 Arrow Blow (18)
59 Arrow Blow (19) (Cross)Bow Booster (8)
60~63 (Cross)Bow Booster (20)
64~69 Soul Arrow (20)
70 (Cross)Bow Mastery (20) Focus (2) / (Cross)Bow Mastery (20) Blessing of the Amazon (5)
Also, I recomend doing job quests to level 21~23ish, then kpqing to 24/25, then job quest to 27ish and kpq to 30